Question

—Mike didn’t notice the sign ____ it was right in front of him.
—How careless he is!

A．because

B．but

C．though

D．unless

Answer 1

C

试题分析：句意：迈克没有注意到标识尽管就在眼前。他多么粗心呀！because因为； but但是； though尽管； unless除非 。所以选C。