问题
选择题
It was because of hard training the sportsman won the gold medal in the competition．
A．how
B．that
C．why
D．which
答案
答案：B
考查强调句。强调句结构为it is /was + 强调部分 + that从句，本题强调介词短语because of hard training，故选B。句意：是因为艰苦的训练，运动员在比赛中获得金牌。