You can't imagine _______ when they received these nice Christmas presents. [ ]

A. how they were excited

B. how excited they were

C. how excited were they

D. they were how exited

根据目前执行的机动车辆保险条款规定，对于以下原因（），造成的车辆损失，我司不承担赔偿义务。

A.受本车所载货物的腐蚀

B.核反应、核污染、核辐射

C.恐怖活动、被查封

D.修理后价值降低引起的损失

E.轮胎单独损坏