[单项选择]Regarding the technical points affecting the short sales of a stock, which of the following statements is TRUE（）
A. The short seller must pay all dividends due to the lender of the shorted stock.
B. Stocks can only be shorted in a down market.
C. The lender must also deposit margin money to guarantee the eventual repurchase of the stock.

[单项选择]Regarding the form:
A. it must be filled out in two copies for each person.
B. it should be filled in two copies for each person.
C. it should be filled out in two copies by each person.

[填空题]How is urbanization negatively affecting our society Growing (1) is associated with urbanism. Urbanism (2) , urban violence, political instability, crime and (3) behavior. It also perpetuates poverty and (4) the traditional family structure. Other problems include failing (5) , safety, transportation, housing, education and electricity. (6) are much higher in urban areas. With divorce rates rising, (7) is becoming more of a problem than before. People are (8) by race, religious practices, (9) heritage, as well as economic and social status. This often creates much (10) and prejudice between social groups. This can cause physical or mental damage to individuals or (11) .
The government assumes major (12) for development attempting to meet rapidly increasing demands for (13) , housing, transportation and employment. But they are not able t