The sentence below is a complex sentence. Whenever I walk the dog, I feel great.
The underlined clause is --

An independent clause

A dependent clause

Neither an independent clause nor a dependent clause

Both an independent and a dependent clause

An independent clause

what does jane think of mr. rochester the first time she meets him?

b.he is average height, 35 yrs old and not very handsome

i would say a because the main idea is what the author is the point the author is trying to get across.