设备安装工程概算的编制方法不包括以下（）。

A.综合预算法

B.预算单价法

C.扩大单价法

D.概算指标法

Why have the Americans developed space shuttle according to the passage

A．It is a first step to explore outer space.

B．It is a follow-up action of the Apollo moon landings.

C．It is a compromise to the exorbitant human expeditions to the Mars.

D．It is a compensation for the wishful thinking of human landing on the Mars.