Japan says its prime minister promised to provide the world with "maximum transparency" about ____ accident at the Fukushima nuclear power plant during _____ telephone call. 

A．the; a

B．the; the

C．an; the

D．an; a

X型腿的人，跑步时身体重量过多集中于膝关节外侧关节面上，易导致（）。

A.高足弓

B.膝关节内侧副韧带拉上疼痛

C.扁平足

D.膝关节内侧关节面磨损疼痛