Which of the following italicized parts is NOT a relative clause（定语从句)？A．The driver, w

Which of the following italicized parts is NOT a relative clause(定语从句)？

A．The driver, who was very young, had only just got his license.

B．The fact that he won the speech competition is known by everyone.

C．Jack is a man for whom I have the greatest respect.

D．The table you just saw is made of plastics.

请帮忙给出正确答案和分析，谢谢！