【题目】Studies show that people are more______ to suffer from back problems if they always sit before computer screens for long hours.
A. probable B. possible C. likely D. Maybe
在线课程【答案】C
【解析】
试题分析：考查形容词。句意：研究表明，如果人们经常长时间坐在电脑前，那么他们更容易得和腰背有关的疾病。Be likely to do很有可能干某事，故选C项。