Arena sues Shukla for negligence, for injuries suffered in an accident. Shukla's 11th interrogatory to Arena is: Why do you contend that the defendant is liable for your injury?" Arena's lawyer submits the following answer to the interrogatory: "The defendant is liable for the accident because the defendant was negligent in operating his vehicle, leading to the collision which injured the plaintiff. Arena's answer is probably a.a proper response to the interrogatory b.not proper under the rules, because it does not specify the negligent act Shukla committed c.inadequate, because it fails to state the facts on which Arena bases his response dunnecessary, Arena's lawyer should object to the interrogatory, because it asks Arena to specify the basis for his legal contentions e.none of the above