Go through the following graph and answer the following questions.
To make the following reduction process spontaneous, temprature should be :
`ZnO+C rarr Zn+CO`
A. `lt 1000^(@)C`
B. `gt1000^(@)C`
C. `lt 500^(@)C`
D. `gt 500^(@)C " but " lt 1000^(@)C`