Help on writing question

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1

<p>The name "transferware" (comes from a nineteenth century technique for which) a pattern is engraved onto a copper roll, printed on tissue paper, and transferred onto earthenware dishes.</p>

<p>A. comes from a nineteenth century technique for which
B. comes from a nineteenth century technique according to which
C. comes from a nineteenth century technique whereby
D. is a nineteenth century technique wherein
E. means it is a nineteenth century technique by which</p>

<p>I chose B, but the correct answer is C. Why? Could someone explain the usage of "whereby" and why it is a better option than B is?</p>

2

<p>B just sounds awkward, plus the correct answer is usually the one that is shorter and whereby sums up what its trying to say much shorter than according…etc</p>

3

<p>I would’ve gotten this wrong prior to learning what whereby meant…(very recent) whereby means in which.</p>