单项选择题
A.期初余额+本期借方发生额-本期贷方发生额 B.期初余额-本期借方发生额-本期贷方发生额 C.期初余额-本期借方发生额+本期贷方发生额 D.期初余额+本期借方发生额+本期贷方发生额
A.300000 B.3100000 C.3500000 D.3400000