_________along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.
A．DrivingB．When I was drivingC．I was drivingD．Having driven
C

試題分析： 句意：我正以每小時(shí)40英里的速度開車，這時(shí)一個(gè)老人突然出現(xiàn)在我面前過馬路。因?yàn)閮删湓捴虚g有and，所以是并列句，AD項(xiàng)是現(xiàn)在分詞做狀語，B是時(shí)間狀語從句，都不是并列句，選C。
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