Answer:

(a) is the answer

Explanation:

in option b

if we multiply value of m*b1 =2000*-40=-80000 and the data type of y is short it cannot store that large number

in option c

there is no variable declared as L

in option d also

there is no variable declared as L

so only option a is left out to be the answer

I hope this helped you so plz rate this answer accordingly.