It is reported that a new planet has been discovered recently. It's _____ Earth, and hopefully it can support

human life. [ ]

A. almost three times the size of

B. three times the size than

C. three times almost as large as

D. almost three times as larger as

男性，68岁，下台阶时摔伤，右下肢短缩约3cm，足外旋45度，髋部叩痛明显，肿胀不明显，最可能的诊断是

A．右股骨头骨折

B．右股骨粗隆间骨折

C．右股骨干骨折

D．右股骨颈骨折

E．右髋臼骨折