Select the most appropriate word to fill in the blank
There was a huge ______ in the stomach.

Options

A. tumour
B. tuber
C. tremor
D. treasure

Explanation

Tumour- A mass of cells that are not growing normally in the body as the result of a disease.
Tuber- A tuber is a plant that mainly grows underground.like potato ,carrot etc. Tremor- A slight shaking movement. Treasure- An asset that brings praise or renown,wealth.
So, option (a) fits to the context.