4.But all of us are called 44 daily to make a great many personal decisions.
(44) A. out B. for C. up D. upon
解析：此题为四星级题。此题要求考生区别有关call动词的几个短语的意思。call upon / on sb. to do sth.“号召某人做某事”；call out译为“招呼某人出来”；call for“要求”；call up“打电话给……”；而本句的意思“号召我们去做决定”应选D。
