Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
84 * 42 * 7 * 5 * 21 * 93

A

$$\times, \div, +, −, =$$

B

$$+, \div, \times, −, =$$

C

$$+, \div, −, \times, =$$

D

$$\div, +, \times, −, =$$