Cost an arm and a leg

Do you know the English expression “to cost an arm and a leg“? Read the conversation below. Can you guess the meaning?

Bill: What does Joey want for Christmas?

Maria: He wants a mountain bike, but he’s not going to get one. They cost an arm and a leg!

Does it mean:

a) very expensive

b) very big

c) very cheap

d) very new

The answer is below!↓

white mountain bike

Photo by Haydan As-soendawy on Pexels.com

 

Answer: a) very expensive