Each question in this section has sentence labelled as (a), (b) and (c) . Read each sentence to find out whether there is any error in any of the part . If you find no error , your aswer should be indicated as (d).
`("She is very weak in the subject")/a` `("and does not understand things")/b` `("though the teacher explains her repeatedly")/c` `("No error")/d`.

Explanation

(d) No error