Read the reading below carefully, and then complete it with the best option A, B, C or D given below:

Two-year postsecondary institutions were first (1) _______ in the United States in the (2) _______ 20th century. These schools were called junior colleges (3) _______ their main function was to offer only the beginning (4) _______ of general college study. Credits earned at junior colleges could be transferred to another institution (5) _______ students could complete their final years of college. Now called community colleges, these two-year institutions (6) _______ offer courses of general academic study to recent high school graduates. However, they (7) _______ try to serve the educational needs of a (8) _______ segment of the community, including older students and workers. Today, (9) _______ community colleges offer technical, vocational, preprofessional, and adult-education programs in addition to (10) _______ academic programs

Two-year postsecondary institutions were first (1) _______ in the United States