问题

Childhoodmemories _______ the new gardener that she has a little nature knowledge afterall.
A:they have to watch out for possibleattacks
B:their brain hemispheres take turns torest
C:the two halves of their brain aredifferently structured
D:demand
B:their brain hemispheres take turns torest
C:the two halves of their brain aredifferently structured
D:demand
正确答案是: