Mandy Holds Shares in Y Co

Mandy holds shares in Y Co.Recently,the shares have been experiencing a decline in market value.She originally purchased 1000 shares in 20x0 at $5 per share.On September 22^nd of 20x1 she sold the shares when they were trading for only $3 per share.On October 3^rd she felt optimistic that the market value would rise substantially by the end of the year,so she repurchased 1000 shares of Y Co.at $2.50 per share.Which of the following is true for Mandy?

A) Mandy can recognize a $2,000 capital loss on the sale of her shares on her 20x1 tax return.
B) Mandy can recognize a $2,000 superficial loss on the sale of her shares on her 20x1 tax return.
C) The adjusted cost base of Mandy's new shares is $4,500.
D) The adjusted cost base of Mandy's new shares is $2,500.