Directions: 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 sentences grammatically correct?

a. The compelled(A) mother could not be threatened(B) after she learned that her son had lost his life on the field of battle(C).

b. The judge despairing(D) the witness to tell the truth and consoled(E) to put him in jail if he lied under oath(F).