GMAT Critical Reasoning (CR) | Re: Electronic communications such as email, text messages, chat

In my 2 cents
A)Used only when face-to-face communications are notpossible.
-- This choice just plays around with our outside knowledge.With the given information,we know nothing whether the face-to-face communications are better or whether this form of communication is more preferable than "impersonal forms of communication".


B)Written in straightforward language that is not liable to various different interpretations.
-- This phrase summarizes the given information nicely;the concern of misinterpretation
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