Question

In November, John ___________ at his company for three years.. 
a. will have worked
b. will be working
c. will have been working​

Answer 1

option b) will be working

Answer 2

Question:-

In November, John ___________ at his company for three years.. 

a. will have worked

b. will be working

c. will have been working

Answer:-

In November, John will have worked at his company for three years.