Which Organic Reagents Would You Need to Make 2-Ethylpentanoic Acid

Multiple Choice

Which organic reagents would you need to make 2-ethylpentanoic acid from diethyl malonate?

A) Bromoethane,1-bromopropane,sodium ethoxide,and potassium tert-butoxide
B) 3-Bromohexane and sodium ethoxide
C) 3-Bromopentane and sodium ethoxide
D) Bromoethane,2-bromopropane,sodium ethoxide,and potassium tert-butoxide
E) 2-Bromopentane and sodium ethoxide