(Choose 1 answer)
Regression testing should be performed:
v) Every week
w) After the software has changed
x) As often as possible
y) When the environment has changed
z) When the project manager says
A. v & w are true, x - z are false
B. w, x & y are true, v & z are false
C. w & y are true, v, x & z are false
D. w is true, v, x y and z are false
E. All of them are true
