Which of the Following Is a Deductive Argument

Which of the following is a deductive argument?

A) Grape juice is similar to orange juice, and orange juice is healthy.So grape juice is healthy too.
B) The last twenty cars I've seen in this town were German.So all cars in this town must be German.
C) If robbery had been the motive, the money would have been taken.But the money was not taken.So robbery was not the motive.
D) Cold fronts usually bring rain.A cold front is moving in.Therefore, it will rain tomorrow.
E) Oliver is a really nice guy and has many friends.This is probably because his parents did a great job of raising him.