题目内容：
第49题___________
A．The city trying to stop the spread of graffiti, has painted over some of the murals complete. B．This striking work depicts two people facing each other on opposite sides of the freeway near downtown Los Angeles.
C．Artists like murals because they like the work of Mexican artitsts.
D．Now the city is beginning a huge project to restore the city's murals.
E．The mural represents the history of ethnic proups in California.
F．Soon their murals became a symbol of the city's cultural expressions and a showcase for LA's cultural diversity.
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