17 Until recently the growth of the tourism industry has gone unchallenged. But now, questions are being asked and
people are expressing reservations about certain aspects of tourism.
(A) The tourism industry is growing despite all oppositions.
(B) There are questions going unchallenged regarding the tourism industry.
(C) The public is uncertain about some aspects of tourism and their growth.
(D) Questions are raised to boost the tourism industry.
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