问题
选择题
After ________ seemed a hopeless wait, four coalminers trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.
A．when
B．that
C．it
D．what
答案
答案：D
D 考察名词性从句。句意：在经历了毫无希望的等待之后，黑龙江省4名被围困在井下长达125小时的煤矿工人终于被成功营救了上来。After后面的从句缺少主语成分，且指申请，应该使用what一词，故D正确。