You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.
Example: Paragraph- Sent 1: Obama was born on August 4, 1961, at Kapiʻolani Maternity & Gynecological Hospital in Honolulu, Hawaii.
Sent 2: He is the only President to have been born in Hawaii.
Sent 3: He was born to a white mother and a black father.
Sent 4: His mother, Ann Dunham (1942-1995), was born in Wichita, Kansas, of mostly English descent, with some German, Irish, Scottish, Swiss, and Welsh ancestry. Question: How old was Obama's mother when he was born? (A) teenager (B) in his 40s (C) mid 20s (D) almost twenty.
Example solution: D.
Example explanation: Obama was born in 1961. His mother was born in 1942 and 1961-1942=19. Therefore, "almost twenty" answers the question sufficiently.

Problem: Paragraph- Sent 1: Have you ever looked closely at a globe?
Sent 2: That continents look like a giant jig-saw puzzle.
Sent 3: North America looks like it could fit next to Europe.
Sent 4: The edge of South America matches Africa.
Sent 5: Scientists noticed these same features.
Sent 6: It caused them to start asking questions.
Sent 7: They wanted to know if these continents were was connected?
Sent 8: If so, how can something so large move so far?
Sent 9: What could possibly have enough force to move such a giant slab of rock?
Sent 10: Is there other evidence that can provide clues to the past positions of continents?
Sent 11: How can answering these questions help us?
Sent 12: A scientist named Alfred Wegener had these same questions.
Sent 13: Wegener look at rocks on both sides of the Atlantic Ocean.
Sent 14: He noticed they were the same type and age.
Sent 15: He thought that the rocks must have formed side by side.
Sent 16: He proposed that the rocks then drifted apart.
Sent 17: One part went with North America.
Sent 18: The other part stayed with Europe. 
Question: If you look at a globe closely what do the continents look like? (A) A giant jig-saw puzzle (B) Could fit (C) A photograph (D) Saw (E) Giant jigsaw puzzle.

Solution: A, E.