问题补充:
Was Bill , played basketball very well, helped the blind man across the street.
A. that; that; who
B. it; that; that;
C. it; who; that
D. this; who ; who
答案:
A. that; that; who
B. it; that; that;
(答案→)C. it; who; that
D. this; who ; who
解析:本题考查强调句及定语从句。本题强调主语Bill,后面为定语从句作主语,故用who,选C。