How Do Haploid Gametes Result in Diploid Offspring

Multiple Choice

How do haploid gametes result in diploid offspring?

A) A diploid sperm fertilizes a diploid egg,and the resulting diploid zygote then grows by mitosis to form an embryo.
B) A haploid egg and a haploid sperm fuse to form a diploid zygote that grows by meiosis after fertilization.
C) A diploid egg and a diploid sperm fuse,undergo meiosis once to form a diploid zygote,which grows by mitosis.
D) A diploid egg and a diploid sperm undergo fertilization to form a diploid zygote that grows through meiosis.
E) A haploid egg and a haploid sperm fuse to form a diploid zygote that grows by mitosis after fertilization.