Could you tell me which one sounds okay among in the following (A) ~ (D) sentences?<br/>Thank you.<br/><br/><b><i>(1) It must not be true.</i></b><br/><b><i>(2) It cannot be true.</i></b><br/><b><i>(3) It may not be true.</i></b><br/><b><i>(4) It might not be true.</i></b>