Answer: A.Convergent
The northern margin of the Indian plate is being thrust under a portion of the Eurasian plate. This collision results in the creation of Himalayas and the Tibetan Plateau. This is an example of 2 continental crusts converging and this is known as convergent boundary.
Similarly, Aleutian Islands is formed by the the subduction of the northern part of the Pacific Plate and the NW North American Plate . Also the Andes is formed by the convergence of the Nazca Plate beneath the South American Plate.
