If Professor Ehrenberg is right, any apparent connection of the creaking ofa house and the wriggling of millions of microscopic organisms in the ground beneath the house is not merely coincidental.
A. If Professor Ehrenberg is right, any apparent connection of the creaking of a
B. If Professor Ehrenberg is right, any apparent connection between the creaking of a
C. If Professor Ehrenberg had been right, any apparent connection between a creaking
D. Should Professor Ehrenberg be right, any apparent
...
A. If Professor Ehrenberg is right, any apparent connection of the creaking of a
B. If Professor Ehrenberg is right, any apparent connection between the creaking of a
C. If Professor Ehrenberg had been right, any apparent connection between a creaking
D. Should Professor Ehrenberg be right, any apparent
...








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