Select the most appropriate idiom from the following options that can substitute the underlined part of the given sentence.
The company considers this project as a prestigious one. So, it is ready to allow more money to be spent.
Select the most appropriate idiom from the following options that can substitute the underlined part of the given sentence.
The company considers this project as a prestigious one. So, it is ready to allow more money to be spent.
Hit the roof
Hit the roof
Lend someone a hand
Lend someone a hand
Loosen the purse strings
Loosen the purse strings
Grease someone’s palm 
Grease someone’s palm 
Correct Answer:
Loosen the purse strings
Loosen the purse strings
let's try to understand the meaning of all four idioms;
hit the roof- suddenly become very angry
lend someone a hand- to offer help
loosen the purpose strings- increase the amount of money available to be spent
grese someone's palm- to bribe
so option C is the right answer