He is recovering now.          is no need to call in a doctor. 
A．ItB．There C．This D．That
B

試題分析：There is no need to do sth.屬于固定句型。�？嫉念愃凭湫瓦�有：there is no difficulty / no trouble doing sth. 做某事無困難；there is no point / no sense doing sth. 做某事無意義；there is no doubt that… 毫無疑問……。故本題答案為B.
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