___ ___my dictionary i can't find it anywhere .i___ it on the shelf when i came inA did you see ;have seen B have you seen;saw C did you see;saw D have you seen;have seen 为什么选?

问题描述:

___ ___my dictionary i can't find it anywhere .i___ it on the shelf when i came in
A did you see ;have seen B have you seen;saw C did you see;saw D have you seen;have seen 为什么选?

B
前一个句子说得是对现在的影响,用现在完成时态;后一个句子者要注意在时态上和从句的came保持一致,所以用一般过去时态.