
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given that the ratio of the radii of three spheres is $1:2:3$, the surface area of the largest sphere is what multiple of the sum of the surface areas of the other two spheres?

A) $1$ times
B) $2$ times
C) $\frac{9}{5}$ times
D) $\frac{7}{4}$ times

Present the answer in LaTex format: \boxed{Your answer}
user