Which sentences contain pronoun shifts? Check all that apply.

A. Jackson and Maya will take a quick break before they finish their science project.
B. When an astronaut goes into space, he or she must be in excellent health.
C. After we finished warming up, we joined the rest of the team on the field.
D. Teenagers often want more freedom, but you need to show that you are responsible.
E. If a student wishes to go on the field trip, they must bring in a permission slip.