Faye Sagler takes a long position in 12 August yttrium futures contracts at a contract price of $ 3.50 per unit. Each contract is for 1000 units of yttrium. The required initial margin is $ 400 per contract and the maintenance margin is $ 300 per contract. August yttrium futures decline to $ 3.42, $ 3.38, and $ 3.31 on the next three trading days. On the first day that Sagler will be required to deposit additional cash into her futures account, the required deposit is closest to:()

A. $ 240.

B. $ 960.

C. $ 1440.

健全社会主义民主政治为公民参与扩建广阔的政治平台表现在（）

A.推进基层公民政治参与制度化

B.推进社会组织政治参与制度化

C.推进公民行政参与制度化

D.推进公民司法参与制度化