Preeti travelled 3x km distance by walk, 9y km by cycle and 5 km by bus. The total distance covered by Preeti is __________.

• A.  \[(3x-9y+5)\text{ }km\]
• B.  \[(3x+9y+5)km\]
• C.  \[(3x-9y-5)km\]
• D.  \[(9x+3y-5)km\]