Since you have found it hard to learn Spanish，why not try foreign language？
A. to learn a second
B. learning a second
C. learning the second
D. to learn the second
网友回答
A. to learn a second
(答案→)B. learning a second
C. learning the second
D. to learn the second
解析：try to do sth.尽力做某事；try doing sth.尝试做某事；a second=another。