Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

The clinicians are examining the dog ________ the child for rabies, which is a hazardous illness ________ immediate treatment.

Đáp án đúng là: D
Giải thích
Dạng rút gọn (nghĩa chủ động) của các mệnh đề quan hệ:
the dog biting the child = the dog that/which bit the child
a dangerous disease requiring immediate treatment = a dangerous disease that/which requires
immediate treatment