Which of these sentences from the passage shows a shift in the voice?
A.
Thankfully, the weather was clear, enabling the students to accomplish their assigned task.
B.
The instructor continued to explain that some protists are "plant-like" microscopic organisms, while other protists are "animal-like" microscopic organisms.
C.
But protists are not considered to be plants or animals; Protists are a distinct classification of life.
D.
After filling all of the sample containers, the students returned to their classroom where several microscopes were placed on lab desks by the students.