“Find all students who have taken all courses offered in the Biology department.” The expressions that matches this sentence is :$

• A. ‚Äö√Ñ√¨‚Äö√¢‚Ć t ‚âà√≠¬¨¬µ r (Q(t))
• B. ‚Äö√Ñ√∂‚àö‚Ć‚àö√ë t ‚âà√≠¬¨¬µ r (Q(t))
• C. ¬¨¬®¬¨¬Æ t ‚âà√≠¬¨¬µ r (Q(t))
• D. ~ t ‚âà√≠¬¨¬µ r (Q(t))