Regression testing should be performed:

by

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✪ Choose the correct option.

Regression testing should be performed:

i. every week
ii. after the software has changed 
iii. as often as possible 
iv. when the environment has changed

v. when the project manager says

A. i & ii are true, iii, iv & v are false

B.  ii, iii & iv are true, i & v are false 

C. ii & iv are true, i, iii & v are false 
D. ii is true, i, iii, iv & v are false