For Some Strange Reason, a Music Teacher Gives Students a Vocabulary

For some strange reason, a music teacher gives students a vocabulary test before deciding what the right musical instrument is for each student. The vocabulary test gives consistent results, but the students are rarely happy with the instrument they play. The problem is that the vocabulary test ____.

A) is valid but not reliable
B) has excessive reliability
C) is neither reliable nor valid
D) is reliable but not valid