In terms of memory， what is primary the problem with using eye-witness testimony as evidence in legal cases？

In terms of memory， what is primary the problem with using eye-witness testimony as evidence in legal cases？
A.It can lead to "；he said， she said"； situation
B.Memories are affected by the way questions are asked
C.There are no problems with eye-witness testimony
D.The witness could easily lie about the event
正确答案：Memories are affected by the way questions are asked