WhiWhich of the following is not a challenge faced by aid organizations? A. the availability of and access to resources B. the ability to provide safety for their workers C. the mounting costs of aid work D. the limited number of places aid is needed worldwide Please select the best answer from the choices provided. A B C Dch of the following is not a challenge faced by aid organizations? A. the availability of and access to resources B. the ability to provide safety for their workers C. the mounting costs of aid work D. the limited number of places aid is needed worldwide Please select the best answer from the choices provided. A B C D