1 Have you ever noticed that the look on a person's face or the movements of a person's body can tell what the person is thinking? 2 Body language is the physical expression of thoughts and feelings. 3 Messages are imparted through facial expressions and body positions. 4 Sometimes body language can send a message that is stronger than the accompanying words, or, in some cases, in direct opposition to what is being said.

Which sentences combined make the thesis for the passage?
A) Sentences 1 and 2
B) Sentences 2 and 3
C) Sentences 1 and 3
D) Sentences 1 and 4