A Researcher Observed That People Who Have a Large Number

Multiple Choice

A researcher observed that people who have a large number of pets also live in houses with more bathrooms than people with fewer pets.Which of the following conclusions might be correct?

A) Having a large number of bathrooms causes people to buy fewer pets.
B) Having many pets causes people to buy houses with fewer bathrooms.
C) Some other variable may cause people to buy larger houses and to have more pets.
D) Having many pets causes people to spend more time in the bathroom.