Solve this question Embedded system in a programming language mikroC AND PIC$16$F$887$

$15-$ In the instruction "Inttostr$(y,x$;$"$ the minimum size in Bytes of $q,$

A$.y$ must be $7$

B$.x$ must be $7$

C$.$ both $x$ and $y$ must be $7$

D$.x$ and $y$ can be any size