Which of the Following Scenarios Indicates the Application of Rule

Which of the following scenarios indicates the application of Rule 702 of the Federal Rules of Evidence?

A) The plaintiff engages Ali, an attorney, to represent them in court.
B) The attorney calls upon Riya, a construction engineer, to provide evidence on the structural sufficiency of a building.
C) Pete, a store-owner, appears as a witness to give testimony on a robbery committed outside his store.
D) The court calls on Fiona, a forensic accountant, to give a statement on the accident that caused damage to her car.