Which of the following formations occurs in plains around Lanka and Hojai which are surrounded on the north and east by the Mikir hills and on the south-west by the North Cachar and Jaintia hills?

A. The tropical Cinnamomum - Amoora - Michelia formation

B. The Tetrameles - Stereospermum - Cedrela formation

C. The deciduous Shorea - Dillenia - Lagerstroemia formation

D. None of the above

Answer: Option C