Mark the letter A, B, C, or D on your answer sheet to indicate the cor

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

Question 22: He _____ more concerned about his social status since he started working there. 

• A. has been becoming
• B. has become
• C. became
• D. will become

HTHT + since + QKĐ

Dịch nghĩa: Anh ấy đã trở nên quan tâm hơn đến địa vị xã hội của mình kể từ khi anh ấy bắt đầu làm việc ở đó.