Analyze the map below and answer the question that follows.

A satellite map of Australia. Bodies of water around Australia are labeled A, B, C, and D. A is a sea between the northeast coast of Australia and the Solomon Islands. B is an ocean between southwest Australia and Antarctica. C is an ocean north of Papua New Guinea. D is a sea between Eastern Australia and New Zealand.
Image courtesy of NASA

Which of the letters on the map above shows the location of the Indian Ocean?