Question $5$

Given the following code, what are the values of all the variables:

$$a=2$;

$$b=++$$$a$;

$$c=$$$b--$;

$$d=--$$$c$;

$$a=3,$$$b=2,$$$c=2,$$$d=2$

$$a=2,$$$b=2,$$$c=1,$$$d=1$

$$a=2,$$$b=2,$$$c=2,$$$d=2$

$$a=3,$$$b=1,$$$c=0,$$$d=-1$