Women have two x chromosomes, compared to men who have one x and one y chromosome. Because of the two x chromosomes, one of them can override the other. In men they only have one x and one y, they don't have the extra x chromosome to override the allele.
D. Life Cycle.
Think about it this way....
You start out as an infant, you grow older and olde each year and eventually you die. Your souls then goes on into another body and starts the cycle over..
B<span> Surveying opinions of fellow classmates and friends.
Because that opinions NOT facts</span>