题目内容：

Jim is ___child in Mr Green's family.He has no brothers or sisters
A only a B only the C an alone D the only
理由

优质解答

Jim is ___child in Mr Green's family.He has no brothers
D the only
理由呢,首先是语感.其次,an only child 有独生子女的意思.而这句话的意思是,Jim是Green家唯一的孩子,是特指,而不是泛指.