The Vector $\overrightarrow { \mathrm { A } }$ Has Components +5 and +7 Along the X and Y

Multiple Choice

The vector $\overrightarrow { \mathrm { A } }$ has components +5 and +7 along the x and y axes respectively.If the vector is now rotated 90 degrees counterclockwise relative to the original axes,the vector's components are now

A) -7;-5.
B) 7;-5.
C) -7;5.
D) 7;5.
E) 7;0.