QUES: Continue writing.

Carrie took tai chi lessons from Rebecca, because
+++++++++
ANS: Carrie was eager to learn to do it.

QUES: Continue writing.

Matthew was more spontaneous when choosing activities than Leslie because
+++++++++
ANS: Matthew loved to do different things.

QUES: Continue writing.

Susan made the decision of getting in an airplane instead of train to go to Miami because the
+++++++++
ANS: airplane travels fast.

QUES: Continue writing.

So
+++++++++
ANS:
Samantha thinks men are pathetic because Christine has had great experiences with them while Samantha didn't.