In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Pigeon racing has become increasingly popular in parts of China (16) _____ the country’s elite and its middle class. Sun Yan, the deputy general-secretary of Beijing Racing Pigeons Association, (17)_______ that at l east 100,000 pigeon breeders live in Beijing, and (18) ______ 90,000 of them are registered with Racing at (19)______ levels, to qualify for the games held in the spring and autumn. Competitions can be lucrative for (20) _____ owners, with some prizes a mounting t o tens of thousands of dollars. Liu said in recent years, pigeon racing has been surging in popularity across China.
Select the most appropriate option for blank No. 19

Options

A. Different
B. Differed
C. Differential
D. differ

Answer

A

Explanation

(a) Different (adjective)- unlike in nature, form, or quality.
Differed- past participle of differ
Differential (adjective) - a difference between amounts of things, Differ(verb)-be unlike or dissimilar.
According to the structure of the sentence, we need an adjective to qualify the noun ‘level’ and the sentence tells about the nature of the game so option(a) is the answer