题目

减数分裂发生在 (    )                                                                A.受精卵发育成胚胎的过程中     B.人的卵原细胞发育成卵细胞的过程中  C.人的生发层分裂产生新细胞的过程中   D.动物精原细胞形成精原细胞的过程中 答案：BI ______ with a big party the help of my former classmates in preparation of the advertising firm.A．exhibitB．expressC．conveyD．acknowledge