问题
选择题
Houston Rockets, ______ led by as many as 10 points in the first half, has dropped three straight after winning eight matches.
A．which
B．that
C．it
D．when
答案
答案：A
本题主要考查非限制性定语从句的关系词。先行词在非限制性定语从句中作主语，只能用 which，于是本题的正确答案选 A。