(B) $∀(x)\left[\text{teacher}\left(x\right) → ∃(y) \left[\text{student}\left(y\right) ∧ \text{likes}\left(y,x\right)\right]\right]$
For every Person,if the person is a teacher ,then there exists some student who loves the teacher$\Rightarrow$Every teacher is liked by some student.
(C) $∃(y) ∀(x)\left[\text{teacher}\left(x\right) → \left[\text{student}\left(y\right) ∧ \text{likes}\left(y,x\right)\right]\right]$
There exists some person who is student who loves all the teacher$\Rightarrow$Some students love all the teacher.