Black could do that but then white has mate in 2. Anytime you have a question like that, try it out on a board (physical or analysis board here), or try to visualize if you can, and find the best continuation you can.
Finding out why other moves are worse than the one in the puzzle is one of the best ways to learn.
Hi.
Chess is just hobby for me. I Am not skilled in it, but I can not understand at all why in this quiz: Tactics Analysis Board: Problem #0000916 the black pawn can not take the queen by going on h6??