<p>In Germany, foresters discovered that trees killed by acid rain had begun to die four years earlier, even though the trees had shown no signs of disease then.
A earlier, even though the trees had shown no signs of disease then
B earlier, but not showing any signs of disease then
C earlier, no outward signs of disease had been shown then in the trees, however
D earlier without any signs of disease shown then
E earlier, not then having shown any signs of disease, however.</p>
<p>The answer is A and I chose D. What exactly is wrong with D?</p>
<p>In the wild, pygmy chimpanzees are found only in an inaccessible region south of the Zaire River, since such is the case, very few are in captivity.
A since such is the case, very few are in captivity
B and very few are in captivity because of that
C no more than a few are in captivity as a result
D the number in captivity is very few for this reason
E and so no more than a few are in captivity</p>
<p>The answer is E. could someone please tell me what makes the other choices wrong? I'm bad at quesitons like this one.</p>
<p>When we read, we fikrst form innumerable impressions and then those impressions are evaluated as we read on.
A impressions and then those impressions are evaluated
B impressions and then evaluate those impressions
C impression, evaluating those impressions then
D impressions, then we evaluate those impressions
E impressions, we evaluate those impressions then</p>
<p>Correct answer: B
Why is D not right?</p>
<p>Thanks in advance!</p>