Which of the Following Arguments Is a Generalization

Which of the following arguments is a generalization?

A) Jennifer has many friends and she gets invited to a lot of parties, so she must be popular.
B) Closing the 5th Street parking garage will make it harder for customers to visit businesses downtown.So downtown businesses will suffer.
C) Friday was the deadline for registration, and no one signed up, so we will have to extend the registration deadline.
D) Bricks made in the traditional way are stronger than modern bricks, so there ought to be a market for bricks made in the traditional way.
E) The last three businesses in this building failed within three months of opening.So no business can succeed in this building.