BECAUSE VITAMINS (A) CONTAINED (B) IN A WIDE (C) VARIETY OF FOODS,...

50. - DE THI THU DAI HOC MON ANH VA DAP AN
DE THI THU DAI HOC MON ANH VA DAP AN
50. Because vitamins (A) contained (B) in a wide (C) variety of foods, people seldom (D) lack most of them.Choose the best option: