Which of These Statements About Duchenne Muscular Dystrophy Is TRUE

Which of these statements about Duchenne muscular dystrophy is TRUE?

A) It is X-linked dominant and occurs equally in males and females.
B) It is X-linked dominant and occurs primarily in females.
C) It is X-linked recessive and can be carried by either males or females.
D) It is X-linked recessive and occurs almost exclusively in males.