A shop stores x kg of rice. The first customer buys half this amount plus half a kg of rice. The second customer buys half the remaining amount plus half a kg of rice. Then the third customer also buys half the remaining amount plus half a kg of rice. Thereafter, no rice is left in the shop. Which of the following best describes the value of x?

A

$$2 \leq x \leq 6$$

B

$$5 \leq x \leq 8$$

C

$$9 \leq x \leq 12$$

D

$$11 \leq x \leq 14$$

E

$$13 \leq x \leq 18$$