On Its 2016 Form 10-K, Bank of America Corporation Reports

On its 2016 form 10-K, Bank of America Corporation reports marketable debt securities of $277,399 million. The footnotes disclose that these securities have an amortized cost of $279,307 million.
Which of the following is true?

A) These are available-for-sale securities.
B) These are trading securities.
C) There are net unrealized losses of $1,908 million on these securities.
D) Both A and C
E) Both B and C