years later grace became critically ill. her doctor was baffled. he finally sent her to the big city, where they called in specialists to study her rare disease. dr. howard kelly was called in for the consultation. when he heard the name of the town she came from, a strange light filled his eyes.

call in: 소집하다.라는 뜻인데, 왜 앞문장은 능동태를 썼고, 뒷문장은 수동태를 쓴건가요 ????
정확하고 자세한 답변 가르쳐주세요 ㅜㅠ
고2 이번 모의고사 43~45번지문에 있는 문장입니다ㅜㅠ