For Questions 16 through 20, select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning. He entered his supervisor’s office with an ______ sense of doom; his misdeeds at the office party would certainly cause him to be fired.
A. elemental B. impractical C. inadvertent D. inexorable E. assiduous F. unerring