[单选题] When was Valencia the most important city in Spain?
A、2nd century
B、8th century
C、13th century
D、20th century
VI. Writing ( 25 points) Directions:For this part, you are supposed to write an essay in English in 100 ~ 120 words based on the following information. Remember to write it clearly. 1.有人认为出国留学有很多好处; 2.有人认为出国留学有很多不利之处;3.你的看法是……