Parentswithlargefamiliesaskfewerquestionsatd innerbecause。
A.theyarebusyservingfoodtotheirchildren
B.theyarebusykeepingorderatthedinnertable
C.theyhavetopaymoreattentiontoyoungerchildren
D.theyaretiredouthavingpreparedfoodforthewholefamily
正确答案：B文章第二段提到conversationgiveswaytotheparents’effortstocontr oltheloudnoisetheymake.故正确答案应该选择B。
