In which one of the following sentences is but used as a preposition?

A. I would like to return to Italy, but I have no money.
B. The lake is pretty, but it's too cold for swimming.
C. I wanted to leave, but I was embarrassed to do so.
D. We discovered that Candy will do anything but work.


Respuesta :

B. We discovered that Candy will do anything but work.

In all other instances, "but" is used as a conjunction in complex sentences. In this case, it used to indicate that Candy will do anything except work.
D). We discovered that Candy will do anything but work.