The keynote speaker delivered a ______ lecture that challenged conventional macroeconomic theories and stimulated vigorous debate.
Answer and explanation
Correct answer: A. thought-provoking
- Step 1: Analyze context clues: The lecture challenged convention and sparked vigorous debate.
- Step 2: The adjective meaning stimulating careful thought, reflection, and intellectual engagement is 'thought-provoking'.
Answer
thought-provoking.
Why not the others: 'dull', 'monotonous', and 'tedious' describe boring, repetitive, and uninteresting presentations.
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