问题

I have experienced quite a number of cases ______ I really wanted to help but could not find anything to _______.
A:when; put on my hands
B:that; put my hands on
C:where; put my hands on
D:in that; put on my hands
B:that; put my hands on
C:where; put my hands on
D:in that; put on my hands
正确答案是:
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