Find the Standard Form of the Equation of the Ellipse $( - 2,0 ) , ( 2,0 ) ; x$

Multiple Choice

Find the standard form of the equation of the ellipse satisfying the given conditions.
-Foci: $( - 2,0 ) , ( 2,0 ) ; x$ -intercepts: $- 5$ and 5

A) $\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 21 } = 1$
B) $\frac { x ^ { 2 } } { 21 } + \frac { y ^ { 2 } } { 25 } = 1$
C) $\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 21 } = 1$
D) $\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 25 } = 1$