C is the answer. Because deleterious is the opposite of helpful. And ominous is the opposite of friendly.
A run-on sentence usually occurs when two separate sentences or clauses are improperly combined. However, unlike sentence fragments, run-on sentences can still be technically grammatically correct. So technically the are bad.
Just think of two things that could be compared in an unusual way! A metaphor is just a comparison that doesn't use "like" or "as". For example, a simile would be "My love is like a rose" but a metaphor would be "My love is a rose" If you think of it this way, it might be easiest to think of a simile then take away "like" or "as". Be creative with it and have fun
3.
Sara has thought of an innovative and creative solution to a problem she was facing.
