Some experts predict that the tourism in China needs three years to recover because of SARS _______ in Guangdong and Beijing earlier last year.A.occurringB.occurredC.to occurD.being occurred
网友回答
A解析从because of SARS来看，because of引导的是短语而不是从句，SARS之后接的是非谓语动词作定语，occur是不及物动词，不可能有它的被动形式；不定式作定语表示的是“将来”，题干中的last year明确告诉我们动作发生在“过去”。