坚持马克思列宁主义、毛 * * 思想、邓＊小＊平理论和“三个代表”重要思想的实质就是（）。

A.要坚持解放思想、实事求是

B.要坚持马克思主义的指导地位

C.要在实践中不断丰富和发展马克思主义

D.要坚持具体问题具体分析这个马克思主义活的灵魂

E.要把马克思主义和各国具体实践相结合

The engineer spoke highly of the government’s efforts, ____ he owed his safe return from Libya.

A．through which

B．to which

C．with whom

D．for whom