In a trapezium, the two non-parallel sides are equal in length, each being of 5 units. The parallel sides are at a distance of 3 units apart. If the smaller side of the parallel sides is of length 2 units, then the sum of the diagonals of the trapezium is

Options

A. `10 sqrt5`units
B. `6 sqrt5` units
C. `5 sqrt5` units
D. `3 sqrt5` units