Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Passive immunity lasts only as long as the antibodies survive in body fluids. Immunization in a pregnant woman produces both active and passive immunity in the fetus. A pregnant woman will pass antibodies to the fetus.
 The question and answer:
What does a pregnanct woman pass on to the fetus?
Options:
- (A) Leptospirosis
- (B) Energy.
- (C) antibodies
- (D) education
- (E) embryo
- (F) parasites
- (G) zygotes
- (H) fever
The answer is (C)