In the following questions, sentence/passage is split into four parts and named A, B, C and D. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. Then find the correct answer and indicate it by blackening the appropriate circle in the Answer Sheet.
A. to understand
B. to many people
C. threatening and even impossible
D. grammar appears

• CABD

• BDCA

• DACB

• DACB