A. Remain silent
B. Remain serious
C. Remain disturbed
D. Remain mute
🧠 Explanation:
“Keep a straight face” means to remain serious, hiding emotions. For English students, this highlights idioms, making it a key topic for studying linguistic expressions, communication, and cultural phrases. Idioms convey restraint. Understanding this ensures expressive clarity. It’s essential for mastering idioms in communication. Studying this idiom offers insights into how language depicts control, crucial for English, journalism, and communication.
