Select the correct combination of mathematical signs to sequentially replace the * signs to balance the following equation.
40 * 15 * 3 * 72 * 9 = 77

A

$$\times, \div, +, −, =$$

B

$$+, \div, −, \times, =$$

C

$$+, \times, −, \div, =$$

D

$$+, \times, \div, −, =$$