The underlined part "the law is loaded against him" in the second paragraph is most likely to mean （）

A．Banks always lose money when they print customer's names on cheques.
B．Banks never print the names of customers on cheques.
C．It's easy to forge a signature on a cheque which prints a customer's name.
D．It doesn't matter to a customer if the bank prints customer's names on cheques.

A．is that it can't take instructions from other people
B．is that it can avoid complications and problems
C．it must pay money to the customer even if he is seriously overdrawn
D．it must print the customer's signature