A. a heap of B a full swing of C. a range of D. a series of
Answer:C
Translation: the medicine is effective against many diseases.
解析：A、B、C三項均與原文不符：D項是壹系列，範圍沒有C項廣。
猜測這裏是藥品廣告。出題者可能心事重重。(也可能是我）