Which of the Following Is the CORRECT Order of Gene

Which of the following is the CORRECT order of gene groups expressed in normal Drosophila development? 1. Gap genes
2) Homeotic genes
3) Pair-rule genes
4) Segment-polarity genes
5) Egg-polarity genes

A) 1, 2, 3, 4, 5
B) 4, 2, 5, 1, 3
C) 3, 1, 2, 5, 4
D) 5, 2, 4, 3, 1
E) 5, 1, 3, 4, 2