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.
WanderTrust is a unique travel company that (1)_____ domestic and international trips. These personalised 'blind' trips, (2)_____ the destination and itinerary a secret (3) _____ the customer till a day before (4) ______ journey. The pressure of planning (5) ______ off the shoulder of the client.

Select the correct option to fill in the blank no. 4

1. A
   many
2. B
   the
3. C
   an
4. D
   some