Although considerable (i)____________ resources had already been expended on the new drug, development had to be halted due to adverse effects during human testing; once hailed as a kind of (ii)____________ that could be used to treat numerous physical and mental ailments, the drug will likely be remembered only as a financial albatross that bankrupted its developers. A. assiduous B. sinecure C. pecuniary D. mendicant E. wholesome F. panacea