【单选题】

It can be inferred from the passage that the author regards the correlations drawn in recent decades between sunspots and terrestrial phenomena as

A、more reliable than similar correlations drawn in the past, but still inconclusive
B、solid evidence of the complexity of the climate system and the simultaneous interaction of its many influences
C、poorly supported by the statistics mentioned at the beginning of the passage
D、unlikely given the predominant role played by greenhouse gases
E、likely to be established with absolute certainty in the near future