单选题 Many doctors are still general practitioners, but the tendency is toward specialization in medicine.
【正确答案】 B
【答案解析】B.tendency“倾向”;trend“趋势”;rumor“谣言”;prejudice“偏见”;security“安全”。句意:目前,许多大夫仍然是全科大夫,但是医学发展的趋向是专业化。