GMAT Critical Reasoning (CR) | Re: During their first few months, newborns grow 0.25

During their first few months, newborns grow 0.25 inch or more per week. Vitamin D is a key ingredient that helps them grow faster.Only Enfamil baby food has Krimprotein, which enables newborns grow faster and achieve their full growth potential.

If the information in the passage is true, then what else must be true from the statements below?

A)Newbornsneed external sources of Vitamin D to reach their full grown potential.
B)Only Enfamil can provide Vitamin D that newborns need to reach their