A. titles
I am pretty sure, but if I am wrong or right please tell me
The answer is A. Delicate lines straighten inner forms
It believe the answer is the second choice, "have a subject and a verb."
Independent clauses are complete sentences, which knocks out the third and fourth option.
Dependent clauses are not complete thoughts, knocking out the first option.
1. Sun is a big star that provides heat and light to the whole solar system.
2. Sun is 140 miliion km away from Earth.