I__________sooner but I didn't know that they were waiting for me.   [ ]

A. had come                        

B. was coming  

C. would come                      

D. would have come

关于少女妊娠的描述，下列哪项错误（）

A.青春期多无排卵，一次性交不可能受孕

B.性教育少、保护措施不当等是少女妊娠的原因之一

C.少女人工流产危害性较大

D.少女妊娠对其身心健康有严重影响

E.性生活早、早孕、早婚等是宫颈癌发病高危因素