关于取印模时边缘整塑，错误的是

A．为了使义齿有良好的边缘封闭

B．可用印模膏做

C．制作个别托盘后不需要做

D．可由医师牵拉患者面颊部

E．可以分区做

—Is Jason going to the party?

—I'm afraid not. He ______ to Hong Kong. [ ]

A. goes

B. went

C. has gone

D. was going