During the scientific symposium, the questioner challenged the researcher's methodology with pointed queries.
在科学研讨会上，提问者以尖锐的询问质疑了研究者的方法论。
Which choice best defines “questioner”?
D — A person who asks questions. “questioner” means a person who asks questions.
Which word means “a person who asks questions”?
C — questioner. “questioner” means a person who asks questions.
questioner — a person who asks questions. In Chinese: 提问者.
questioner is pronounced /ˈkwɛstʃənər/.
During the scientific symposium, the questioner challenged the researcher's methodology with pointed queries. (在科学研讨会上，提问者以尖锐的询问质疑了研究者的方法论。)
inquirer, interrogator, querist — all close in meaning to questioner (a person who asks questions).
respondent, answerer — each the opposite of questioner (a person who asks questions).
Yes. questioner is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.