After the Fifth Prenatal Week,the First and Fifth Branchial Arches

Multiple Choice

After the fifth prenatal week,the first and fifth branchial arches grow toward each other and over other arches.This overgrowth obscures the external pharyngeal grooves.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.