In June of 1989, Princeton Township approved a developer's plans to build 300 houses on a large portion of the 210-acre site of the Battle of Princeton, one of only eight Revoltionary War battlefields that had remained undeveloped.
B) one of eight of the only Revoltionary War battlefields that have remained undeveloped
C) one of the only eight developed Revoltionary War battlefields that remains
D)only one of eight Revoltionary War battlefields to remaine undeveloped
E) only one of the eight remaining undeveloped Revoltionary War battlefields
我知道這題應該是要考only的修飾和後面remain的時態, 但我ㄧ開始挑了CE, 原因是我覺得one of the 這樣寫才對, 難道不對嗎?