Sam,a New Police Officer,was Criticized by His Supervisor for Failing

Sam,a new police officer,was criticized by his supervisor for failing to make a sufficient number of arrests.Sam went into a section of town known for criminal activity,picked up several suspicious-looking individuals,read them their Miranda rights,and arrested them hoping that they would confess to something.Alice,one of the detainees,was scared; hoping to cut a deal,she immediately confessed to burglarizing a local pawnshop.Which of the following is Alice's best defense at trial?

A) That the officer failed to have probable cause to arrest her.
B) That the officer violated her First Amendment rights.
C) That the officer failed to obtain a form signed by Alice verifying that she understood her Miranda rights as read.
D) That the officer failed to have articulable suspicion to arrest her.
E) That a confession prior to an initial appearance is invalid.