Tsetse flies feed by piercing the skin with their mouthparts and _____.

Ato suck the blood of animals and humans
Bsucking the blood of animals and humans tsetse flies feed by piercing the skin with their mouthparts and
Bsucking the blood of animals and humans

Verified Answer :

Tsetse flies feed by piercing the skin with their mouthparts and: Sucking the blood of animals and humans. 

The correct answer is B