In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given passage.
Science has made an (1) …. contribution to the relief of human suffering, and humanity (2) …. a deep (3) … of gratitude of scientists whose (4) .... and sacrifices have led to many (5) .... discoveries and inventions.
Fill in the blank (3) with the most appropriate option.

Options

A. feeling
B. sense
C. amount
D. fund

Answer

B