Consider the following code segment:

s $=$ "Hello World!"

$\_\_\_\_\_\_\_\_\_\_$

print$($ch$)$

What should be placed in the blank so that the letters of s are printed out with one letter appearing on each line?

Question $47$ options:

A$)$

for ch in range$($s$)$ :

B$)$

for ch in s :

C$)$

for range$($ch$,$ s$)$ :

D$)$

for s in ch :