Independent Assortment of Chromosomes Is a Result of Which of the Following

Independent assortment of chromosomes is a result of which of the following processes?

A) the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I
B) the random combinations of eggs and sperm during fertilization
C) the random distribution of the sister chromatids to the two daughter cells during anaphase II
D) the diverse combination of alleles that may be found within any given chromosome