Вот подобранные утверждения к каждому из предложений A-E:
A. When Mia and Jason were chosen to represent their class in the singing contest …
3) both Mia and Jason were nervous.
B. Mia and Jason felt … when they started rehearsing together.
3) comfortable.
C. When they started rehearsing, Mia and Jason discover that …
2) they had amazing harmony.
D. After the performance Mia and Jason …
B) were pleased with themselves.
E. From their spontaneous singing performance Mia and Jason learnt that …
A) leaving the comfort zones can lead to success.