Becoming an empty nester is often seen as a time for more freedom, but it can also make some parents feel sad and anxious. (18) __________, happens when children leave home.

18/40

Its emotional experience, calling empty syndrome nest

Which emotional experience, call empty nest syndrome

This emotional experience, called empty nest syndrome

These emotional experiences, to call syndrome empty nest

Giải thích

C: ‘This emotional experience’ thay cho ‘sad and anxious’ ở câu trước đó, ‘called empty nest syndrome’ là cấu trúc mệnh đề quan hệ rút gọn V-ed/ V3 khi động từ mang nghĩa bị động.