The role of meritocracy in Chinese history, focused on

M: +1.00/-0.00

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E), i.e., "No correction required".

The role of meritocracy in Chinese history, focused on the so-called examining system, have been a matter of long scholarly scrutiny.
i. focused on the so-called examination system, has
ii. focused on the so-said examination system, has
iii. focuses on the so-called examing system, have

[IBPS PO prelim 13 OCT 2018 G]

A Only i

B Only ii

C Only iii

D Both ii and iii

E No correction required