The word “it” in the second paragraph refers to
Giải thích
Đáp án C
“it” được thay thế cho American literature trong câu trước: As a result, at the onset of World War I, the spirit and substance of American literature had evolved remarkably
Đáp án C
“it” được thay thế cho American literature trong câu trước: As a result, at the onset of World War I, the spirit and substance of American literature had evolved remarkably