The drug of choice for the treatment of T. saginata (tapeworm) is
1.Mebendazole
2.Ceftriaxone
3.Primaquine
4.Niclosamide
5.Chloroquine
Explanation
Niclosamide is a halogenated salicylanilide derivative. It exerts its effect against cestodes by inhibition of mitochondrial oxidative phosphorylation in the parasites. The mechanism of action is also related to its inhibition of glucose and oxygen uptake in the parasite.