To only submit certain jobs, list the jobs you want submitted after -submit separated by comma:
  crab -submit 1,3-4,6 -c crab_CSVtraining_Resub/GravitonToHH_4b_M-1000_TuneZ2star_8TeV-Madgraph_pythia6_Summer12_DR53X-PU_S10_START53_V7C-v1_AODSIM/