In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Aviation is important, both as an industry in its own right and as a facilitator for the (1)/success and competitiveness of other industries. The success of the aviation industry (2)/is also integral to national competition, economic developing and social progress. (3)/No error (4)

Options

A. 1
B. 2
C. 3
D. 4

Answer

C