Let R be a relation on the set of integers given by $(x, y) \in R ⇔ |x-y| ≤ 1$. Then R is A. Reflexive relation B. Symmetric relation C. Transitive relation D. R is not a function E. empty relation Choose the correct answer from the options given below:

A, B and E only A, C and D only B, C and D only A, B and D only

A, B and D only

The correct answer is Option (4) - A, B and D only