Which of the following statements is CORRECT？A．12－character passwords are far more secure

Which of the following statements is CORRECT？

A．12-character passwords are far more secure than 8-character ones.

B．Researchers suggest 12-character passwords should always be the standard.

C．12-character is the most convenient length for passwords.

D．12-character full-sentence passwords are the ideal passwords.

请帮忙给出正确答案和分析，谢谢！