[Grammar] exposed or having been exposed

[xxwzs]

__________ to sunlight for so much time, his skin got badly hurt.
A. Exposed B. Having been exposed
Which is the right answer?
If both work, is there any difference between A and B?
Thanks and waiting for your reply.

 

[andrewg927]

You can use "damaged" or "burned".

 

[Rover_KE]

... or in BE - 'burnt'.