Well the answer b and c are both right but I would pick b
B - it obviously wouldnt be c or d, and the middle class came into existence long enough ago that its unlikely to be a modern article
The only sentence here with an infinitive phrase is the first one, and the infinitive phrase there is 'to write'. You ask the question - What did Christa choose? in order to find the object of that sentence, and the answer is 'to write'.
Answer:
Figure out the costs of buying the two cars listed below by filling in the blanks in the table. You can pay a 10 percent down payment, and your credit history is good enough to get a five-year loan with an interestrate of 5 percent. To determine the monthly payment and interest paid, use an online loan calculator - for example: . Put in the amount to borrow, 5 percent interest rate and 5 years. (24 points)
Explanation: