Read the passages.

Passage A: Known as "man's best friend," dogs make great companions. They are loving, loyal, and forgiving. Some dogs can help to keep you active, and others will warm your lap for hours. Since there are more than 150 breeds to choose from, everyone can find the perfect dog for their lifestyle.

Passage B: Dogs are known as "man's best friend." They make great companions. They are loving, loyal, and forgiving. Some dogs can help to keep you active. Some dogs will warm your lap for hours. There are over 150 breeds to choose from. Everyone can find the perfect dog for their lifestyle.

Which statement best explains why one passage is more interesting to read than the other?

Passage A is more interesting because it includes more details.
Passage A is more interesting because it contains a variety of sentence types.
Passage B is more interesting because it contains a variety of sentence types.
Passage B is more interesting because it includes more details.

I think it is passage A, but I don't know which one.