月季是义乌市的市花。以下关于月季的叙述错误的是（       ）

1a 植物无花，无种子，以孢子繁殖···························································2

1b 植物有花，以种子繁殖······································································3

2a 小形绿色植物，结构简单，仅有茎、叶之分···········································A

2b 通常为中形或大形草本，很少为木本植物，分化为根、茎、叶···················B

3a 胚珠裸露，不包于子房内···································································C

3b 胚珠包于子房内···············································································D

①变形虫通过分裂产生新的个体②不孕不育的夫妇利用“试管婴儿”技术怀孕

③利用“杂交”技术进行杂交育种④通过“克隆”技术产生绵羊“多莉”