The diners in the restaurant were enjoying a leisurely lunch. When the waiter slipped on the puddle of water. The salmon salad flew off the plate and straight into the actor's lap. Rather than putting up a big fuss, the actor simply laughed off the accident. When the actor had cleaned up and eaten his lunch, he still left the horrified waiter a really big tip.
Which of these is a sentence fragment?
A) The actor simply laughed off the accident.
B) When the waiter slipped on the puddle of water.
C) He still left the horrified waiter a really big tip.
D) The diners in the restaurant were enjoying a leisurely lunch.