Question

Which sentence correctly forms the plural of the letter d?



A.


When the cat walked on the keyboard, it created a string of ds on the screen.


B.


When the cat walked on the keyboard, it created a string of ds' on the screen.


C.


When the cat walked on the keyboard, it created a string of d's on the screen.

Answer 1

Are you kidding us?

Answer 2

?

Answer 3

a

Answer 4

No it is c.