Please come in go out. Don’t stand there at the gate.A. both…and B. not only…but also C.

问题补充：

Please come in go out. Don’t stand there at the gate.

A. both…and B. not only…but also C. either…or

答案：

解析：both…and……和……都；not only…but also不但……而且；either…or要么……要么……。句意：请进来或者出去。不要站在门口。结合语境可知选Ｃ。