．She was told to wear flat shoes ________ her back problem.

A．on account of

B．regardless of

C．in terms of

D．in case of

深静脉血栓形成（下肢的DVT）的患者，约半数以上无自觉症状和明显体征，此时依据下肢周径的测量结果来评价，双侧相差多少即可考虑有临床意义（）

A.>0.2cm

B.>0.5cm

C.>0.8cm

D.>1.0cm

E.>1.5cm