The first bold statement states evidence that new turbines are sold hence supports the conclusion that the new design might be good.
The second bold statement questions the validity of reaching a conclusion based on the evidence which does not specify whether the turbines will be sold post-initial sales or not.
(A) The first is evidence to support a conclusion; the second is a reason for questioning that support. (This directly relates to the spotted reasoning. keep this aside)
(B) The first is evidence to support a conclusion; the second provides another conclusion which is the main conclusion for the passage. (second is not providing another conclusion but contradiction the first conclusion's evidence) (Eliminate)
(C) The first is a position taken by GE directors; the second is a position taken by the author of the argument. (Can't assume which conclusion is drawn by whom) (Eliminate)
(D) The first is the evidence used to support a conclusion; the second is the position taken by the author of the argument. (Can't assume the second sentence is author's POV) (Eliminate)
(E) The first and second are opposing premises, both of which cannot be true simultaneously. (second bold statement is not directed towards another conclusion but opposes the first) (Eliminate)
Answer is A
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