Assume that the opinion is relevant to the case.Which of the following opinions would a court be least likely to allow a lay witness to give?

A.The house smelled of gas just before the explosion.

B.The car that passed us as we were trying to cross the street was going at least 50 miles per hour.

C.The damage to the basement was caused by water seeping in from an underground spring.

D.The driver appeared to be intoxicated when he stepped out of the car immediately after the crash.