13. The word” sustain” in line 6 is closets in meaning to (A) select (B) strain (C) support (D) store

9. According to the passage, all of the following are true of ancient Greek potters and vase painters EXCEPT: (A) Their functions were so specialized that they lacked common concerns. (B) They sometimes produced inferior ware. (C) They produced pieces that had unusual color and shine. (D) They decorated many of their works with human images.