Four capacitors of each of capacity \[3\mu F\]are connected as shown in the adjoining figure. The ratio of equivalent capacitance between \[A\] and \[B\] and between \[A\] and \[C\] will be

• A.            4 : 3
• B.                    3 : 4
• C.                    2 : 3
• D.                    3 : 2