66. The cut in her hand has healed completely, without leaving a . (A) defect (C) wound (B) sign (D) scar

21. At one time doctors discouraged taking multivitamins because they believed that multivitamins ________. (A) could not easily be absorbed by the human body (B) were potentially harmful to people’s health (C) were too expensive for daily consumption (D) could not provide any cure for vitamin deficiencies