This is a simple sentence because in its entirety it is a single clause. There are no multiple independent clauses connected or any subordinate clauses to make it compound or complex.
Cyclist is to ride as pedestrian is to walk. You see, if you are a cyclist you would be riding a bike. And if you were a pedestrian you'd be walking.
Answer:
I believe the answer to be B
Explanation:
The answer is letter choice C