This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to replace an exterior window trim
Pry off the old trim with a pry bar.
To avoid damaging the wall, hold a wood block against it. Rest the back of the pry bar on the wood block.

Choices:
(a). Slide the front end of the pry bar between the trim and the building, then pry off the pieces of trim and underlying trim boards. Use expanding foam to fill in wall gaps..
(b). Use the bar to gently press down on the interior molding of the trim. This will set the trim back in place..
(c). Remove the block and swing it side to side until it sloughs away. Without any force on the outside of the trim, you should be able to lift up the trim..
(d). Grab the door and lift it off the wood wall. Undo the screws holding the trim in place..
The answer is:
(a).