Go up to (someone)

Do you know the English expression “to go up to (someone)“? Read the conversation below. Can you guess the meaning?

Gregory: I saw a famous movie star the other day. He was visiting my hometown.

Mike: Did you go up to him and ask him for his autograph?

Gregory: I didn’t have the confidence to go up to him!

Does it mean:

a) stand next to someone

b) talk to someone

c) watch someone

d) approach someone

The answer is below!↓

 

Answer: d) approach someone