It is sleeping late in the morning that ________ late for work.
A.lead to being
B.contribute to being
C.leads to be
D.contributes to being
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D解析该题为强调句型,强调的是句子的主语sleeping late in the morning,所以谓语应用单数,排除A、B两项;lead to意为“导致”,其中to为介词,所以C项错误;D项contribute to意为“有助于,促成,是……的部分原因”。