The accident has reached a point _____ the police have to be called in.

A. when B. that C. which D. where

D

【解析】

試題分析：考查連詞辨析。A. 當(dāng)…時(shí)；B.因?yàn)椋灾劣�；C.哪個(gè)；D.哪里。句意：事故已經(jīng)達(dá)到了必須要叫來警察的地步了。point是名詞，故其后的句子是定語從句，point是與situation類似的抽象地點(diǎn)名詞，故在定語從句中，做地點(diǎn)狀語，故先行詞選用where。故選D。

考點(diǎn)：考查連詞辨析

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