Harpreet's family planned a picnic over the weekend. Her mother packed $$3\ \text{kg}\ 70\ \text{g}$$ watermelon and $$2\ \text{kg}\ 75\ \text{g}$$ mangoes. Her father packed $$950\ \text{g}$$ pineapple and $$1\ \text{kg}\ 600\ \text{g}$$ apples. The total weight of the fruits they carried with them is

A

$$7.695\ \text{kg}$$

B

$$6.950\ \text{kg}$$

C

$$6.550\ \text{kg}$$

D

$$7.245\ \text{kg}$$