HELP ME PRETTY PLZ!!!!!!!!!!!!!!!!!!!!!!!!!!

Let p: The day is Tuesday.
Let q: The day is Thursday.
Let r: She comes to work.
Which represents the statement
"Only if the day is Tuesday or Thursday, then she comes to work”?

A. p ↔ (q ∧ r)

B. p ↔ (q ∨ r)

C. (p ∧ q) ↔ r

D. (p ∨ q) ↔ r