[Year 12 SofDev] clarification about quick sort & selection sort in 2016 Sample exam

[Tran, Vi V]

hi,
 I would like to have clarification about Multiple choice Q17 in the sample VCAA exam 2016.
 It states:

Compared to quick sort, the selection sort algorithm, on average, is best describe as:
A. (correct answer) being more complex and taking less time to sort a list.

I thought quick sort is more complex and takes less time to sort a list because on average, 
quick sort takes: nlog(n) time while selection sort takes O(n^2) time?

Is my thinking correct?
I don't understand how (A) is the correct answer instead of (C).

Thank you in advance.
>From Vi.=
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