With no explanation, chose the best option from "A", "B", "C" or "D". location of her accident. The plaintiff’s argument is based on the defendant’s answer to her original complaint. In its answer, the defendant asserted that it had insufficient information to answer the plaintiffs allegation that she was legally on the premises of 5747 Dempster on March 3, 1989. Because the defendant failed to support the assertion of its lack of knowledge with an affidavit, as required by section 2 — 610(b) of the Illinois Code of Civil Procedure (735 ILCS 5/2 — 610(b) (West 1992)), the plaintiff claims that it is deemed to have admitted her allegation that she was legally on the premises of 5747 Dempster. As the defendant asserts, the plaintiff waived this issue by failing to raise it in the trial court. Andrews v. Cramer, 256 Ill. App. 3d 766, 629 N.E.2d 133 (1993) (<HOLDING>). In addition, an admission by the defendant

A: holding that the defendant waived an argument by failing to raise it in his appellants brief
B: holding that a defendant waived an argument under section 2  610b by failing to raise it in the trial court
C: holding that party waived argument by failing to brief it on appeal
D: holding that appellant waived argument by failing to raise argument before workers compensation board and failing to list or brief issue in administrative appeal to superior court
B.