Question 6: When ______ about their preferences for movies, many young

Question 6: When ______ about their preferences for movies, many young people say that they are in favor of science fiction.

• A. having asked
• B. asking
• C. asked
• D. are asked

Rút gọn khi cùng chủ ngữ
When + Ving (hành động mang tính chủ động), S + V + O
When + PII (hành động mang tính bị động), S + V +O