It was not until dark _____ he found _____ he thought was the correct way to solve the problem. [ ]

A. that; what

B. that; that

C. when; what

D. when; that

执法部门实施查封、扣押后，逾期未作决定的，被查封的物品（）查封。

A.视为自动解除

B.经当事人申请解除

C.执法部门应当解除

D.当事人向执法部门上级机关要求切除