(B) commonly seen

　　(C) typically large

　　(D) steadily growing

　　The word "obvious" is closest in meaning to which of following?

　　(A) discovered

　　(B) apparent

　　(C) understood

　　(D) simplistic

　　179. Their light was already halfway here before the Earth even formed. The light from the nearby Virgo galaxy set out when reptiles still dominatedthe animal world.

　　The word "dominated" is closest in meaning to which of following?

　　(A) threatened

　　(B) replaced

　　(C) were developing in

　　(D) were prevalent in

　　180. This meant that wagon freighting, stage coaching and steam boating did not come to an end when the first train appeared; rather they became supplements or feeders.

　　The word "supplements" is closest in meaning to which of following?

　　(A) extensions

　　(B) reformers

　　(C) dependents

　　(D) influences