I would like a job which pays more, but ____________ I enjoy the work I’m doing at the moment.

A．in other words

B．on the other hand

C．for one thing

D．in a word

孔源性视网膜脱离手术成功的关键是（）

A.放出视网膜下液

B.巩膜外加压

C.玻璃体腔填充

D.松解玻璃体牵引

E.封闭视网膜裂孔