Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 55 to 64.
A. smiling
B. crying
C. eating
D. grasping
* Đáp án
C
* Hướng dẫn giải
Đáp án C Dòng 3 đoạn cuối: that attachment behaviors of babies, such as smiling, babbling, grasping, and crying,…