问题
单项选择题
From cave paintings and from （） on bone and reindeer horn, it is known that prehistoric humans were close observers of nature who carefully tracked the seasons and times of the year.
A．apparently regular scratches
B．scratching apparently regularly
C．regular scratches apparently
D．scratches regular apparently
答案
参考答案：A
解析：
副词apparently修饰形容词regular，形容词regular修饰名词scratches，表示“看起来很有规律的刮痕”。
