After the whistle rang, the coach appeared in the field．Behind him ________ the team wearing black and white suits．
A.hadB.walkedC.was followedD.led在线课程B
解析：
the team是主语，空格处应该是主语的行为，所以要用walked或followed。Behind him是状语。句意：哨声一响，教练员出现在场地上，后面跟着穿着黑白服装的队员。