从业人员加强职业道德修养的活动主要包括（）。

A.学习与工作有关的各项岗位责任、规章制度

B.对自己的思想和行为进行反省和检查

C.自我剖析和自我批评

D.培养职业道德习惯

There were many giant octopus, ____? [ ]

A. were there

B. were it

C. weren't there

D. weren't it