The student measured the volume of water as 80.0 ml. she discovered that the actual volume was 80.1 ml. is her measurement accurate

Yes, her measurement is accurate.

Accuracy of a measurement is the closeness of a measured value to the actual or standard value. From the question, the first volume she measured; 80.0 ml is closer to the actual volume of water; 80.1ml. In this case, her measurement is accurate.

correct answer is a. and d.