Most Microsatellites Have High Mutation Rates, and Some Become Unstable

Most microsatellites have high mutation rates, and some become unstable once their length exceeds a certain limit.One example of a genetic disease that is caused by the expansion of a microsatellite in the affected gene is:

A) Duchenne muscular dystrophy.
B) Cystic fibrosis.
C) -Thalassemia.
D) Sickle cell disease.
E) Huntington disease.