Which type of star cluster forms from tightly packed groups of older stars?

The correct answer is option C which is globular. And the correct statement is:

Globular star cluster forms from tightly packed groups of older stars.

Explanation to the In the galaxies, stars are clustered in different patterns making different types of groups in the galaxies which can be recognized.There are one type of clusters which are spherical in shape and tightly packed due to gravity and they also move around the satellites. These clusters are known as globular star clusters.Hence option C is correct one.