Answer: (D) Executory
Explanation:
The executory contract is one of the type of contract which is executed between the debtor to the another part member.
The executory contract is generally related the specific administration and the important task or performance are remain to be performed.
According to the given question, the contract between the Patricia and the station is refers to the executory contract during the attendant filling in the tank.
Therefore, Option (D) is correct answer.