Choose A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
24. A solution (A) for the environment problem (B) will soon (C) be finding (D) by scientists.
25. We didn't (A) go out (B) although (C) it was (D) raining.
1 C => be found
2 Although => because
c=>be found
b=>because