“I prefer to ride the subway” said Dad. “Let’s see what Mom wants to do.”

A. “I prefer to ride the subway,” said Dad. “Let’s see what Mom wants to do.”
B. “I prefer to ride the subway,” said Dad, “Let’s see what Mom wants to do.”
C. “I prefer to ride the subway”, said Dad. “Let’s see what Mom wants to do.”
D. No commas needed.