Which of the following is a complex sentence?* Driving from Pensacola to Atlanta is so much fun at night during a rainstorm in the
winter.
He dunked as I blocked

The aliens sent an intruder down to earth to get a sense of the humans' behavior.
I do not like horror films but I love a good thriller.

A complex sentence is a sentence containing a subordinate clause or clauses.

A clause is a group of words that has both a subject and a predicate.

Which sentence has more than one subject and predicate?

" I do not like horror films but I love a good thriller."  is your answer.

he is suggesting that this widow is a strong woman, who is giving constructive criticism and she has enough to worry about, and she takes care of him, so he does not take it to heart.