Two condensers of capacity 2F and 3F are connected in series, a third condenser of 1F is connected in parallel to them, the resultant capacity in Farad (F) will be _____.

A

$$6$$ F

B

$$\frac{5}{11}$$ F

C

$$\frac{5}{6}$$ F

D

$$\frac{11}{5}$$ F