For avoiding LS of collapse which of the following load combinations aren't considered?A0.9 DL + 1.5 WLB1.5 DL + 1.5 WLC1.5 DL + 1.5 WL +1.5 ELD1.2 (DL+ LL + WL)Answer: C. 1.5 DL + 1.5 WL +1.5 EL