passpadi

2006

English

67ca00ce0c643c71d77dee1f

His discovery of the vaccine became a quantum leap in the search for a scientific cure for the illness

A.

victorious battle

B.

slow but steady step

C.

great improvement

D.

fast but sure step

Correct Answer: great improvement

Explanation

choose the option nearest in meaning to the word or phrase in italics

choose the option nearest in meaning to the word or phrase in italics
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