Miss Wang: Hello, Helen. You look worried.1____________________________________?

Helen: It’s Li Hong. She’s so unhappy.

Miss Wang: Oh dear! 2_____________________________________. What seems to be the problem?

Helen: She is crying in the bathroom because she did badly in the English exam .She is very strict with herself. You know, Li hong is new here . She is quiet and shy. She feels very lonely because she has no friends to talk with. 3__________________.

Miss Wang: 4__________________________________. I think I should have a talk with her.

Helen: Oh, yes, Miss Wang.5_____________________________________________.

下图是某生物的生殖、发育与遗传的示意图，其中①所示的是受精过程，②所示的是发育过程。请仔细阅读、分析，回答以下问题：

（1）若上述生物体代表绿色开花植物，在进行过程①之前，还需要完成的生理过程 是            。

（2）若上述生物体代表蝗虫，过程②的三个阶段是                    。

（3）若上述生物代表青蛙，过程①的特点是                  。

（4）若上述生物代表人，那么产生生殖细胞B的部位还能分泌            ，对女性生殖器官的发育和维持有重要作用。

（5）人的发育是从细胞C开始的，细胞C形成的部位是                 。