A-A+
A．It has a ribbed shell.B．It has an unusually
问题详情
A．It has a ribbed shell.
B．It has an unusually large valve.
C．It was found near the water.
D．It is smaller than a mollusc.
参考答案
正确答案：A
解析：Why does the professor think the fossil might be a brachiopod?
