The Reason That Males Do Not Have Rett's Is That

The reason that males do not have Rett's is that

A) males cannot inherit the disorder since it is linked to the X chromosome.
B) females can compensate with their other X chromosome, while males have only one X chromosome.
C) if males get the condition, the defective gene cannot not be compensated for and the male cannot survive.
D) both b and c are correct.