Directions: Each sentence given below has two blanks. Each blank indicates that something has been omitted. Choose the word that best fits in the meaning of the sentence as a whole. 

Q:

Public sector infrastructure financing companies could____ of the ambitious 'smart cities' citing______of guaranteed returns on investments. 

• 1
  opt for, crisis
• 2
  opt out , lack
• 3
  prefer, excess
• 4
  select, lack
• 5
  opt, cause