Without being able to see the picture, I can provide some context about the factors that contributed to the growth of Hinduism.
- Flexibility in religious services: This could refer to the various ways religious rituals are performed, accommodating different local customs.
- Flexibility in new gods: Hinduism has a vast number of deities, and the incorporation of new gods significantly contributed to its growth.
- Guarantee of religious freedom: While Hinduism does allow for diverse practices and beliefs, the concept of guarantee isn't typically noted as a primary factor.
- Tolerance of other cultures: Hinduism has historically absorbed and integrated elements from various cultures and traditions, which has helped it grow.
If the picture illustrates elements like temples that accommodate various deities, cultural integration, or diverse rituals, then a suitable choice might be b. flexibility in new gods or d. tolerance of other cultures. Please select the option that best fits the imagery presented in your picture.