Construction of the Cattery Could Be Distilled to Eight Distinct

Construction of the cattery could be distilled to eight distinct steps, from the official groundbreaking ceremony to the cutting of the litterbox ribbon. The activities, their durations and predecessors are shown in the table below. Use this scenario to answer the following question(s) .
$$\begin{array} { | c | c | c | } \hline \text { Activity } & \text { Predecessors } & \text { Time (weeks) } \\\hline \text { A } & \cdots & 10 \\\hline \text { B } & \text { A } & 8 \\\hline \text { C } & \text { A } & 7 \\\hline \text { D } & \text { C } & 11 \\\hline \text { E } & \text { D } & 12 \\\hline \text { F } & \text { B } & 11 \\\hline \text { G } & \text { E, F } & 6 \\\hline \text { H } & \text { E, F } & 9 \\\hline\end{array}$$
-Refer to the scenario above. Which of these activities has the least slack?

A) E
B) B
C) G
D) F