How many pi bonds are present in acetylsalicylic acid?

Home Work Help
1
  1. How many pi bonds are present in acetylsalicylic acid?
  2. How many sigma bonds?
  3. What parts are rigid?

-C-O bonds and a ring structure
-C=O bonds and a ring structure
-C-O and C=O bonds
-C-O and C-H bonds