Answer:
Option A is correct that is 
Step-by-step explanation:
We have given probabilities
P(pepperoni)=0.7
P(olives)=0.6
P(pepperoni or olives)=0.8
We need to find the probability of pepperoni and olives
We have a formula

Here we have say A is the event of peperroni tha is 
B is the event of olives that is 
pepperoni or olives that is is 
Pepperoni and olives that is
we have to find
On substituting the values in the formula we will get




On simplifying the equation we will get

Therefore, Option A is correct.