If '$$+$$' means '$$\times$$', '$$\times$$' means '$$-$$','$$-$$' means '$$\div$$' and '$$÷$$' means '$$+$$', then what will come in place of the (?) in the following equation?
$$250 - 10 + 10 \times 5 \div 2 = ?$$

A

247

B

167

C

320

D

234