8. A regular square pyramid has lateral edge length $l$, and all its vertices lie on the same sphere. If the volume of the sphere is $36 \pi$ and $3 \leqslant l \leqslant 3 \sqrt { 3 }$, then the range of the volume of the regular square pyramid is A. $\left[ 18 , \frac { 81 } { 4 } \right]$ B. $\left[ \frac { 27 } { 4 } , \frac { 81 } { 4 } \right]$ C. $\left[ \frac { 27 } { 4 } , \frac { 64 } { 3 } \right]$ D. $[ 18,27 ]$ II. Multiple Choice Questions: This section contains 4 questions, each worth 5 points, for a total of 20 points. For each question, there may be multiple correct options. Full marks are awarded for selecting all correct options, 2 points for partially correct selections, and 0 points if any incorrect option is selected.
A regular square pyramid has lateral edge length $l$ , and all its vertices lie on the same sphere. If the volume of the sphere is $36 \pi$ and $3 \leqslant l \leqslant 3 \sqrt { 3 }$ , then the range of the volume of the regular square pyramid is
8. A regular square pyramid has lateral edge length $l$, and all its vertices lie on the same sphere. If the volume of the sphere is $36 \pi$ and $3 \leqslant l \leqslant 3 \sqrt { 3 }$, then the range of the volume of the regular square pyramid is\\
A. $\left[ 18 , \frac { 81 } { 4 } \right]$\\
B. $\left[ \frac { 27 } { 4 } , \frac { 81 } { 4 } \right]$\\
C. $\left[ \frac { 27 } { 4 } , \frac { 64 } { 3 } \right]$\\
D. $[ 18,27 ]$
II. Multiple Choice Questions: This section contains 4 questions, each worth 5 points, for a total of 20 points. For each question, there may be multiple correct options. Full marks are awarded for selecting all correct options, 2 points for partially correct selections, and 0 points if any incorrect option is selected.\\