(1分) Please choose the correct Chinese meaning for each phrase. ①同龄人 ②想家的 ③调整 ④校园 ⑤具有挑战性的 ( )campus ( )homesick ( )adjustment ( )peer ( )challenging  A.①-②-④-③-⑤  B.④-②-③-①-⑤  C.③-⑤-④-①-②  D.④-③-②-①-⑤27.