Convert the Word Phrase into an Expression with a Variable $4 x ^ { 2 }$

Multiple Choice

Convert the word phrase into an expression with a variable, and simplify the expression. The square of two times a number

A) $4 x ^ { 2 }$
B) $4 \cdot 2$
C) $2 x ^ { 2 }$
D) $x ^ { 2 } + 2$
E) $( x + 2 ) ^ { 2 }$