下列是几位参观南孔家庙的游客在孔子像前回顾孔子学说言论的叙述，其中正确的是（     ）

• 人的生殖细胞包括 ____和 ____。 ____的过程叫受精，受精后形成的一个细胞叫做 ____。受精的部位是 ____，受精卵的分裂是从 ____开始的，分裂形成的胚胎和胎儿发育的场所是 ____ ，胚胎发育过程中胎儿通过 ____ 从母体吸收氧气和养料，排出二氧化碳等代谢废物，胎儿成熟后由 ____ 产出。

Nancy：Hi，David．Welcome to my home．

David：Wow，____

Nancy：Thank you．

David：Is this your family photo?

Nancy：Yes．This is my mother．

David：Wow，she looks young．____

Nancy：She is a secretary．

David：Is your father a scientist?

Nancy：Yes，he works at a university．

David：____By car?

Nancy：No，he goes to work by bike．____

David：Great．He has a very healthy life．Look at your sister．____

Nancy：Yes,her favourite toy was lost．David,come to my bedroom．Let's play computer

David：Great

A．What does she do?

B．Your home is big and beautiful．

C．She looks worried．

D．How does he go to work?

E．He likes riding a bike．