A twin fetus which does not develop during pregnancy is called this. A.Conjoined twin B.Vanishing twin C.Multiple twin D.Fraternal twin Answer and Feedback Answer:B do you want? view more test Xem thêm Share this post Some other questions you may be interested in. How long have you been married ………………… her? I am thinking ………………….. studying engineering. A week after the accident he died ………………… his injuries. I half believe …………………. life after death. I must apologize ............................... disturbing you. He left the firm because he didn’t agree ................................... their sales policy. Cold weather ............................... my health. I ..................................... her on her good looks. The salad perfectly ......................................... the main course. She is not very ..................................... so don't share your secrets with her.