Correct option is A
2. All mobile phones are telephone.

(I) Some laptops are mobile phones (False)
No direct or indirect connection that confirms laptops and mobile phones overlap.
Conclusion I not follow.
(II) Some telephones are laptops (False)
No direct or indirect connection that confirms telephones overlaps laptops
(III) All tablets are telephones (False)
All tablets may not be telephones the statement mentions "some" tablets are mobile phones.
Conclusion III does not follow.