Is the sentence simple, compound, or complex?

We had walked for two hours, and during that time the storm began.

A.
simple

B.
compound

C.
complex

How do I tell the difference? Please explain. Whoever helps wins the medal :)

Question

Is the sentence simple, compound, or complex? 

We had walked for two hours, and during that time the storm began.
 
 A.
simple
 
 B.
compound
 
 C.
complex

How do I tell the difference? Please explain. Whoever helps wins the medal :)

anonymous · Answer

@Susanna can you help with this one?

anonymous · Answer

Simple pretty sure.

anonymous · Answer

How do you tell? @T00Raw

anonymous · Answer

Complex is many different connected part and i dont think its compound

susanna · Answer

no, simple sentences have one independent clause, and this one has one independent and one dependent.

anonymous · Answer

which is complex I bet? Or compound ..I dont know the differences..

emmagrace231 · Answer

http://www2.ivcc.edu/rambo/eng1001/sentences.htm This link should help. :)

susanna · Answer

I'd choose C. complex

anonymous · Answer

Thank you again @Susanna and also for the link @emmagrace231