22. ____________ a high level of blood cholesterol. It is eggs that co

22. ____________ a high level of blood cholesterol.

• A. It is eggs that contain
• B. Those are eggs it contains
• C. It is eggs that contains
• D. It is eggs contain

Câu chẻ nhấn mạnh chủ ngữ chỉ vật, "eggs" số nhiều => contain

It + is / was + Noun (danh từ - chỉ vật) + that + V + O …