Question

I________ in that department since 1997
a. had been working
b.has been working
c.have been working​

Answer 1

Respuesta:

(c) have been working

Explicación:

Answer 2

Respuesta:

Hola!

Explicación:

I have been working in that department since 1997.

Trabajo en ese departamento desde 1997.

Espero que te sirva :)