The choices boil down to D and E.
Imo E
D just presents information form the argument without any new information, so this choice is a trap.
E is correct answer as this information is deduced form the argument. Hence it has to be 100% correct.
A is just out of scope we do not know anything about other companies' juices.
B This information is not correct.
C It is actually tricky. But there is no information in the argument regarding this. Why it has to be McElligott’s citrus juice it can be any other company's juice as well.

(A) McElligott’s citrus juices contain fewer infectious bacteria than do citrus juices produced by other companies.
We are not told about bacteria's presence in the juices of other companies or what methods they use - Eliminate

(B) McElligott’s apple juice is less likely to contain infectious bacteria than are McElligott’s citrus juices.
We are told that ME's apple juice was initially linked with bacterial infections and ME's citrus juices were not linked to any bacterial infections. Does pasteurization of ME's apple juice bring the bacterial level below that of citrus juice? We don't know that - Eliminate

(C) McElligott’s citrus juices retain more of the juices’ original flavor than do any pasteurized citrus juices.
We are only given that intensive pasteurization destroys flavor. No idea about other methods of pasteurization - Eliminate

(D) The most effective method for eliminating bacteria from juice is also the method most likely to destroy flavor.
Intensive pasteurization is mentioned to be the most effective method of eliminating bacteria and we are also told that it is likely to destroy flavor. But MOST likely? Not sure about that - Eliminate

(E) Apple juice that undergoes intensive pasteurization is less likely than McElligott’s apple juice is to contain bacteria.
ME uses flash pasteurization, which is said to be less effective than intensive pasteurization. So this must be true - Keep

Answer is (E)
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In response to several bacterial infections traced to its apple juice,McElligott now flash pasteurizes its apple juice by quickly heating and immediately rechilling it. Intensive pasteurization, in which juice is heated for an hour, eliminates bacteria more effectively than does any other method, but is likely to destroy the original flavor. However, because McElligott’s citrus juices have not been linked to any bacterial infections, they remain unpasteurized.

Type- inference

(A) McElligott’s citrus juices contain fewer infectious bacteria than do citrus juices produced by other companies.- out of scope - we have no idea about infectious bacteria content in McElligott's citrus juice and in citrus juice produced by other companies
(B) McElligott’s apple juice is less likely to contain infectious bacteria than are McElligott’s citrus juices.- incorrect- we know that several bacterial infections were traced to McElligott's apple juice but we can not make a comparison between M's apple and citrus juice as we do not have enough information
(C) McElligott’s citrus juices retain more of the juices’ original flavor than do any pasteurized citrus juices.- incorrect, we know that Intensive pasteurization destroys the flavor but we have no idea about the method used by any pasteurized citrus juices
(D) The most effective method for eliminating bacteria from juice is also the method most likely to destroy flavor.- incorrect, we know that Intensive pasteurization is the most effective method but there might be other methods that are most likely to destroy the flavor
(E) Apple juice that undergoes intensive pasteurization is less likely than McElligott’s apple juice is to contain bacteria.- Correct - since intensive pasteurization is more effective than any other method in eliminating bacteria and M's apple juice does not use intensive pasteurization

Answer E
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Amoung option C and E, option c is doubtful because we do not know which pasturisation it is taking about(Flash Pasturisation does not affect flavor). But option E will be always right.

Pls ask if explanation for option E is required.

Hi Experts,

I have a question on E.

In the passage, it is stated that "McElligott now flash pasteurizes its apple juice by quickly heating and immediately rechilling it"
However, how can we infer that McElligott doesn't apply "Intensive pasteurization" for its apple juice as well?

Just because it use "flash pasteurizes" doesn't mean that it doesn't use "Intensive pasteurization".

Please explain.

Thank you.

I am not an expert, but hope I can clear your doubt:

We have to constraint ourselves to what is given in the argument.
First - "flash pasteurization" and "intensive pasteurizatio" are mutually exclusive technique (I do not have any knowledge about these techniques. I am just basing my answer on what information we have from the passage)
Second - The argument states that the company uses "flash pasteurization technique". The passage does not mention any commonalities between the two techniques. Hence, we again have to assume that the company does not combine the two techniques.