Label Each Sentence Below as Simple, Complex, Compound, or Compound-Complex

Short Answer

Label each sentence below as simple, complex, compound, or compound-complex.
a. He left the scene of the accident and didn't call the police.
b. The officer was very stoic.
c. The victim stated she left for work and the alarm went off one hour later.
d. She had just gone to the bank and she realized her credit was missing or had been stolen