Match the Following Steps in Microsoft's Development of Windows 10

Multiple Choice

Match the following steps in Microsoft's development of Windows 10 to their respective WBS level. Step Level
Develop Windows 10 Operating System ?
System Testing ?
Compatible with Windows 8 ?
Develop GUI's ?
Module Testing ?

A) Level 1, Level 2, Level 4, Level 3, Level 3
B) Level 1, Level 2, Level 3, Level 4, Level 5
C) Level 0, Level 1, Level 2, Level 3, Level 4
D) Level 0, Level 2, Level 2, Level 3, Level 3
E) Level 5, Level 3, Level 4, Level 1, Level 2