单选题 42.  The italicized part in the sentence "Many people observed the ship leaving the harbor." is an ______.
【正确答案】 A
【答案解析】 句子成分题。many people为主语，observed为谓语，the ship为宾语，leaving the harbor解释说明宾语the ship的状态，为宾语补足语，故A为答案。