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到底选哪个,能肯定的回答MillionsofAmericansflocktotheirdrugstorestobuyvitaminsandminerals,()thatthesepillscanhelppreventseriousillnesses.A.convincingB.convincedC.toconvinceD.tobeconvincedA还是B

题目详情
到底选哪个,能肯定的回答
Millions of Americans flock to their drugstores to buy vitamins and minerals,( )that these pills can help prevent serious illnesses.
A.convincing B.convinced
C.to convince D.to be convinced
A还是B
▼优质解答
答案和解析
A
选B的话前面必须有and,which之类的连接词