4. Tuberculosis has long been ___ and ____disease: for thousands of years, it has continued to afflict humankind withoutregard for sex, class, occupation, or race.
A an unremitting…selective
B an unpredictable…limitable
C a sporadic…capricious
D a relentless…egalitarian
E a virulent…preventable
我觉得是D,参考答案貌似c
without regard for sex, class, occupation, or race正好对应egalitarian
而for thousands of years正好对应relentless