--The dish is delicious!

--Well, at least it’s ______ the one I cooked yesterday.

A．as good as

B．worse than

C．as well as

D．as bad as

利用毛细管电泳芯片技术分离DNA，整个分离过程在45秒内，而芯片的长度仅为（）

A.1.8cm

B.2.6cm

C.3.0cm

D.3.5cm

E.3.8cm