Give the correct form of verbs given:
-John ..... (1. lose) his job last month and since then he ..... (2. be) out of work.
- Do you know why he ..... (3. lose) his job?
- Because he ..... (4. be) very rude to his boss.
A.1. lost
2. has been
3. lost
4 was
B.1. had lost
2. has been
3. lost
4 was
C.1. lost
2. had been
3. lost
4 was
D.1. lost
2. has been
3. lost
4 had been