A．They disprove the reality of the Maunder minimum.B．Th……

According to the passage, for which of the following reasons are the late seventeenth-and early eighteenth-century Chinese records important


A．They disprove the reality of the Maunder minimum.
B．They suggest that the Maunder minimum cannot be related to climate.
C．They verify the existence of a span of unusual cold during the Maunder minimum.
D．They show that the European observations are of dubious statistical significanc