_____herself wondering whether she had made a mistake, she felt embarrassed and at a loss.

A．Catching

B．Caught

C．Being caught

D．Having been caught

我国《担保法》规定地担保物权包括（）。（担保法第4２条）

A.典权和抵押权

B.留置权、抵押权和质权

C.地上权和地役权

D.地役权、典权和质权