I don’t understand what this question is trying to ask me

ANSWER
2s + 3 option A
EXPLANATION
Step 1:
Let the s represent Carly's sister's age
Step 2:
Twice Carly's sister's age = 2 x s = 2s
Step 3:
3 more than twice Carl's sister's age = 2s + 3
Hence, Carl's age is 2s + 3