They are to eat Chinese food though they have been in America for years.
A. interested
B. please
Ccontent
D. fond
网友回答
A. interested
B. please
(答案→)C. content
D. fond
解析：形容词interested感兴趣的；动词please使…高兴；形容词content满意的，高兴的；形容词fond满意的；句义：尽管他们在美国已经很多年了，但是吃到中餐，他们仍然很高兴。本句中的不定式to eat Chinese food做原因状语。根据句义说明C正确。