题目内容：
What does the underlined sentence in paragraph 4 tell us about thegrandson and grandmother?
A. They paid very frequent visits to each other.
B.They checked each other’s geographical location.
C. They were eager to share views in the reading process.
D. They expressed their closeness and intimacy in their own
A．A
B．B
C．C
D．D
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答案解析：