输卵管妊娠流产或破裂最简单、可靠的诊断方法是（）。

A.尿HCG测定

B.腹腔镜检查

C.B超检查

D. * * 后穹窿穿刺

E.子宫内膜病理检查

A well-written composition _____ good choice of words and clear organization among other things.[ ]

A. calls on

B. calls up

C. calls for

D. calls off