need help in computer science kernel based spmd parallel programming

Which of the following CUDA statements allows you to count the number of available CUDA devices? cudaGetDevice Count (&dev_count); OcudaCountDevice (&dev_count); cudaCount Device (); cudaGetDeviceCount (); Question 9 Since all CUDA threads execute the same code, CUDA programming is an instance of the well-known programming style. Multiple-Instruction Multiple-Data (MIMD) Single-Program Multiple-Data (SPMD) Mulitple-Program Multiple-Data (MPMD) Single-Instruction Muliple-Data (SIMD) parallel