丹痧发热与出疹的关系表现是（）

A.发热1～2天出疹

B.发热数小时～1天出疹

C.皮肤出疹，有服药病史

D.发热3～4天，热退出疹

E.发热3～4天出疹，出疹时发热更高

Computers and mobile phones, though they are indeed making our life______and more ______, have reduced the need for face-to-face communications.

A．easily ; efficient

B．easier; efficient

C．easy ; efficiently

D．easily ; efficiently