测定地基土的静止侧压力系数K0时，可选用下列（）原位测试方法。（）

A.平板载荷试验

B.孔压静力触探试验

C.自钻式旁压试验

D.扁铲侧胀试验

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _______the number people infected with the virus is going up sharply.

A．when

B．that

C．which

D．where