Question

Cystic fibrosis is a disease that __________.

a. causes all those infected to live only into their teen years
b. makes it difficult to breathe
c. can be cured with proper medication
d. occurs most frequently in people of Asian descent

Answer 1

b. makes it difficult to breathe. This is because of cysts (hence the name) in the lungs

Answer 2

It's 'makes it difficult to breathe'