
Passage: Xiao Qiang and Xiao Gang are two brothers. Xiao Qiang's study time is longer than Xiao Gang's, and Xiao Qiang's reading is also more than Xiao Gang's.
Question: Based on the above, which one of the following options can be determined to be true?
A. A.Xiao Qiang's knowledge is richer than Xiao Gang's.
B. B.Xiao Qiang is smarter than Xiao Gang.
C. C.Xiao Qiang is better at arranging life than Xiao Qiang
D. D.The information in the above is not enough to compare Xiao Qiang and Xiao Gang in other aspects.
Answer: