Although China has developed its economy greatly, its per capital GDP is still
one-tenth of the United States.
A. slightly
B. separately
C. originally
D. roughly
网友回答
A. slightly
B. separately
C. originally
(答案→)D. roughly
解析：副词辨析。A轻微地；B分开地；C原始地，最初地；D粗略地，大体上；句意：尽管中国的经济已经迅速发展了，但是人均GDP大体上仍然只有美国的十分之一。根据句意说明D正确。