Select the most appropriate word to fill in the blanks:
Highways are a catalyst for economic growth but private _____ in this sector has been termed 'tardy' as investors do not appear to be interested in putting their money in long-term projects.

Options

A. A.investment
B. B.transaction
C. C.operation
D. D.contract

Explanation

but private investment in this sector Investment (पूंजी निवेश) - investing money for profit Transaction (लेनदेन) - buying or selling something Operation (संचालन) - to operate or act upon Contract (अनुबन्ध) - an agreement enforceable by law