V Vinay Kumar 🎓 Tutor III ⭐ 8.55K Points 📊 Ruby Q. single-quoted strings don`t allow ? (A) substitution (B) backslash notation (C) single-quoted strings allow substitution and backslash notation. (D) single-quoted strings don`t allow substitution and allow backslash notation. 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) single-quoted strings don`t allow substitution and allow backslash notation. Explanation: single-quoted strings don`t allow substitution and allow backslash notation only for \ and '.