ACCORDING TO THE PASSAGE, WE LEARN THAT _____.A. APES ARE SURE TO...
38. According to the passage, we learn that _____.
A. apes are sure to be cleverer than crows
B. crows and apes can find a way out only after trying
C. crows and apes can think through hard problems by using tools
D. crows and apes have thought of the result before action