Have you seen a man ___ a school uniform come into the room?

A．wearing

B．putting on

C．dressing

D．who dress

室间隔的解剖特点，下列哪一项是正确的()

A．比房间隔薄

B．由纤维组织构成

C．胚胎时期有卵圆孔使两侧心室相通

D．分隔左、右心室

E．构成肺动脉壁