Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
39*4*61*18*4*49*7*30

A

$$+,−,=,\times,−,+,\div$$

B

$$+,−,=,\times,−,\times,+$$

C

$$\times,−,=, \times,−,\div,+$$

D

$$=,−,+,\times,−,\div,−$$