Arthur entered the store. Then, he realized that t...

Câu hỏi: Arthur entered the store. Then, he realized that there was danger.

A. Not until Arthur entered the store, he realized that there was danger.

B. It was not until Arthur entered the store then, he realized that there was danger.

C. Only when he entered the store then he realized that there was danger

D. Only after entering the store did Athur realize that there was danger