In a compound microscope, if the objective produces an image `l_(o)` and the eye piece produces an image `l_(e)` , then
A. `l_(o)` is virtual but `l_(e)` is real
B. `l_(o)` is real but `l_(e)` is virtual
C. `l_(o)` and `l_(e)` are both real
D. `l_(o)` and `l_(e)` are both virtual
