—The door is still open.

—How come? I mean, I _________ to lock it then.

A．remembered

B．would remember

C．remember

D．had remembered

墙体上容易碰撞的阳角、门窗洞口及不同材料基体的交接处等特殊部位，其保温层应采取（）的加强措施。

A.防止开裂

B.防止破损

C.加强强度

D.防止开裂和破损