The Surface Area of the Surface $x ^ { 2 } + z ^ { 2 } = 4$

Multiple Choice

The surface area of the surface $x ^ { 2 } + z ^ { 2 } = 4$ lying within $x ^ { 2 } + y ^ { 2 } = 4$ is

A) 38
B) 36
C) 34
D) 32
E) 28