I went through about four years of being         to video games but fortunately I managed to get rid of it.

A．added

B．accustomed

C．admitted

D．addicted

下列哪项引起左室压力负荷过重

A．高血压

B．二尖瓣关闭不全

C．主动脉瓣关闭不全

D．甲状腺功能亢进

E．贫血