Use the Following to Answer Questions: Table: Four Countries -(Table: Four Countries) Refer to the Table

Use the following to answer questions: Table: Four Countries $$\begin{array} { l l l l l l l l } \hline { \text { Country A } } && { \text { Country } B } && { \text { Country C } } && { \text { Country } D } \\\hline \text { Item } & \text { Dollar } & & \text { Dollar } & & \text { Dollar } & & \text { Dollar } \\& \text { Values } & \text { Item } & \text { Values } & \text { Item } & \text { Values } & \text { Item } & \text { Values } \\\hline \text { Exports } & \$ 287 \mathrm {~m} & \text { Exports } & \$ 451 \mathrm {~m} & \text { Exports } & \$ 717 \mathrm {~m} & \text { Exports } & \$ 132 \mathrm {~m} \\\text { Imports } & \$ 287 \mathrm {~m} & \text { Imports } & \$ 412 \mathrm {~m} & \text { Imports } & \$ 909 \mathrm {~m} & \text { Imports } & \$ 121 \mathrm {~m} \\\hline\end{array}$$
-(Table: Four Countries) Refer to the table. Which of these countries has a trade surplus?

A) country A
B) country C
C) country A and country C
D) country B and country D