If a Suspect Invokes His Miranda Right to Counsel, Which

If a suspect invokes his Miranda right to counsel, which of the following statements is true?

A) The police can continue to question the suspect prior to the suspect's conferring with counsel if the questioning pertains to a crime other than the crime the suspect was questioned about committing.
B) The police can resume questioning of the suspect prior to the suspect's conferring with counsel provided that a sufficient period of time has passed between the invocation of Miranda and resumed questioning.
C) The police can question the suspect further once the suspect has invoked his Miranda right to counsel but failed to obtain counsel within a reasonable period of time.
D) The police can resume questioning the suspect if the suspect comes forward and initiates the contact with the police.