In the following question, two statements are given with some words in bold. Which of the following pairs of bold words must be interchanged to make both the sentences grammatically correct.a. It will be a unique(A) chance to see some(B) of the finest atmosphere(C) which are now scattered(D) around the world.b. It is the right(E) of the people to get(F) a pollution-free paintings(G) and natural calamity(H)-free ecosystem.

• A. A-F
• B. C-G
• C. B-H
• D. Both D-E and C-G
• E. Both C-G and D-H