Four Vectors $\overrightarrow { \mathrm { A } }$ $\overrightarrow { \mathrm { B } }$

Multiple Choice

Four vectors, $\overrightarrow { \mathrm { A } }$ , $\overrightarrow { \mathrm { B } }$ , $\overrightarrow { \mathrm { C } }$ , and $\overrightarrow { \mathrm { D } }$ , are shown in the figure. The sum of these four vectors is a vector having magnitude and direction

A) 4.0 cm, along +x-axis.
B) 4.0 cm, along -x-axis.
C) 4.0 cm, along +y-axis.
D) 4.0 cm, along -y-axis.
E) 4.0 cm, 45° above +x-axis.