Given that all the choices are true, which one provides the best opening to this paragraph?
A. NO CHANGE
B. I remember being late for a doctor's appointment
C. My grandmother lived with us, and as a result she and I became close over the years.
D. My son asks me about my grandmother, whom he never met.

What is the value of 442+325+287, rounded to the nearest hundred?
A. 700
B. 800
C. 900
D. 1,000
E. 1,100

Based on Figures 1 and $2,$ which of the following com- binations of a solute and $\mathrm{H}_{2} \mathrm{O}$ at a known $T_{\mathrm{i}}$ would produce the greatest increase in temperature?
A. 2 $\mathrm{g}$ of LiCl added to 5 $\mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$
B. 2 $\mathrm{g}$ of $\mathrm{LiCl}$ added to 10 $\mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$
C. 2 $\mathrm{g}$ of $\mathrm{NH}_{4} \mathrm{NO}_{3}$ added to 5 $\mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$
D. 2 $\mathrm{g}$ of $\mathrm{NH}_{4} \mathrm{NO}_{3}$ added to 10 $\mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$

As it is used the first time in line $34,$ the word it most precisely refers to:
A. the radio.
B. one of the city voices that broadcasts the war news.
C. the narrator's dad's voice.
D. the noon broadcast of wheat prices.

The performer uses 43$\%$ of the money earned to pay
the costs involved in putting on each performance.
The rest of the money earned is the performer's
profit. What is the profit the performer makes at a
performance where 8 people attend?
\begin{equation}\begin{array}{l}{\text { A) } \$ 51.60} \\ {\text { B) } \$ 57.00} \\ {\text { C) } \$ 68.40} \\ {\text { D) } \$ 77.00}\end{array}\end{equation}