A - Incorrect: The differences in point tallies is compared to among clubs from Asia. The plural pronoun those is needed to stand in for the differences in point tallies in order to make the comparison logical.
B - Incorrect: The singular pronoun that is not appropriate here because it refers to the plural noun clubs.
D, E - Incorrect: Between is used for two items, which is not appropriate here because there are multiple clubs. Also the correct idiom is between X and Y.
C - Correct: The comparison word among is used correctly to compare more than two items. The pronoun those substitutes for the plural noun differences (in point tallies) in the second part of the comparison.