35. What kind of approach will environmental scientists take to deal with a problem? (A)They will use data to locate it, evaluate its extent, design and implement the solutions, and make sure the problem is solved. (B)They will use data to detect it, monitor the solutions, and evaluate the situation. (C) They will detect it first, and collaborate with other scientists to jointly share the responsibility. (D)They will use data to evaluate the extent of it and take measures to monitor the development.