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 22nd of 20X1 she sold the shares when they were trading for only $3 per share. On October 3rd 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 $2,500.
D) The adjusted cost base of Mandy's new shares is $4,500.