matters to do the job well---what you are or where you e from?
Neither．It depends on whether you put your heart into it．
A. Which is it that
B. What it is that
C. Which it is that
D. What is it which
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(答案→)A. Which is it that
B. What it is that
C. Which it is that
D. What is it which
解析：考查强调句。句中which哪一个，句意：哪一个关系做好工作，故选A。