题目内容:
Whycoupleswhohadfewerpartnersbeforemarriagewerehappier? A.Theyarelesslikelytokeepintouchwiththeirformerlovers.
B.Theyaremorewillingtoinvestinandcommittomarriage.
C.Theytendtohavemorefaithineachother.
D.Theyhavemoreconfidenceinthemselves.
参考答案:
答案解析: