It's really time I went home but I'm enjoying myself so I here a bit longer.A. am stayin

问题补充：

Its really time I went home but Im enjoying myself, so I here a bit longer.

A. am staying

B. have stayed

C. stayed

D. stay

答案：

(答案→)A. am staying

B. have stayed

C. stayed

D. stay

解析：句意：尽管我现在该回家了，但我现在玩得正高兴，因此再多呆会儿。动词stay可以用进行时表示将来的动作，故选A项。