Question

_____ to get there before noon, the postman set off in spite of the heavy fog.

A．Promising

B．To promise

C．Having promised

D．Promised

Answer 1

C

考查分词用法。Promise与the postman构成主动关系，而且promise发生在set off之前，所以用完成时。句意：已经答应在中午之前到那里，邮递员不顾大雾就出发了。