Question

Which is a complex sentence?
A)
She shrieked at the sight of a broken window in her car.
B)
For two years the Pustovas saved up enough money to go to Disney World.
C)
Terry knew that his wife was making dinner, but he ate an entire pie anyway.
Eliminate
D)
Once the company got onto the internet, the Dale and Thomas Popcorn Company quadrupled its business.