With no explanation, chose the best option from "A", "B", "C" or "D". as to the material facts.” Matsushita Elec. Indus. Co., Ltd. v. Zenith Radio Corp., 475 U.S. 574, 586, 106 S.Ct. 1348, 89 L.Ed.2d 538 (1986); First Nat’l Bank of Cicero v. Lewco Secs. Corp., 860 F.2d 1407, 1411 (7th Cir.1988). “It is not the duty of the court to scour the record in search of evidence to defeat a motion for summary judgment; rather, the nonmoving party bears the responsibility of identifying the evidence upon which he relies.” Harney v. Speedway SuperAmerica, LLC, 526 F.3d 1099, 1104 (7th Cir.2008). If the nonmoving party fails to establish the existence of an essential element on which it bears the burden of proof at trial, summary judgment is proper—even mandated. Massey v. Johnson, 457 F.3d 711, 716 (7th Cir.2006) (citing Celotex, 477 U.S. at 322-23, 106 S.Ct. 2548) (<HOLDING>). In ruling on a motion for summary judgment, a

A: holding that failure to instruct on an essential element was harmless error because the element was so clearly established
B: holding that a failure of proof regarding a required element of a case necessarily renders all other facts immaterial and further analysis unnecessary
C: holding that a failure to prove one essential element necessarily renders all other facts immaterial
D: holding that failure to prove an essential element of an offense does not constitute fundamental error which may be raised for the first time on appeal
C.