Re: Challinging SC question. Pls reply..
For the 1st ques, option C seems to settle better than any other options.
1. It is clearly a modifier error. Here, 'which' should refer 'Aramaic script' and this is properly presented in option C.
2. Now, comparing last three options. C is preferred because of the subject - verb agreement error in other option. C uses derive (plural verb) for both the northern and southern (plural subject), which is correct. Derives is singular and cannot refer to plural subject.