I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
7: Complain
8: Breeze
9: Maintain
10: Spain
Just a hint that<span> </span>round characters<span> are complex and undergo development, sometimes sufficiently to surprise the reader.</span>
The correct answer is "protectionism." The economic policy advocating government protection of domestic agriculture and industries from foreign competition by institution of tariffs, quotas, or <span>other restrictions on foreign imports is called protectionism. It has something to do with the protection of industries against foreign competition.</span>
If you look deep into the question, the answer would be telling someone something bad gently but if you were to look light into the question, the answer would just be rain comming down gently