【单选题】How many parts is the passage divided into? Part One (Paras.1-2) serves as an introduction to the essay topic “spend or save”. Part Two (Paras.3-6) relates their psychological and social consequences....
A.
Three Part I — (Paras. 1-2) Part II — (Paras. 3-6) Part III — (Paras. 7-9)
B.
Four Part I — (Paras. 1-2) Part II — (Paras. 3-5) Part III— (Paras. 6-8) Part IV — (Para. 9)
C.
Five Part I — (Para. 1) Part II — (Para. 2) Part III — (Paras. 3-5) Part IV — (Paras. 6-8) Part V — (Para. 9)