单项选择题

Directions :In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked. Then you should mark the corresponding letter on the Answer Sheet with a single line through the centre. ______ his brother ,John is shy and does not easily make friends with others.

A. Unlike
B. Alike
C. Liking
D. Dislike