问题补充：
we first heard of the man referred to as a computer specialist in software.
A. It was Hilary that
B. That it was from Hilary
C. It was from Hilary whom
D. It was from Hilary that
答案：
A. It was Hilary that
B. That it was from Hilary
C. It was from Hilary whom
(答案→)D. It was from Hilary that
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