If we use 'at the moment' in here, does it mean 'right now'?

[Seanmen]

English Grammar Tests, Elementary Level

ESL/EFL Test #55 "Chit Chat: Talking about the Doctor", question 4

Linda: It's awful really. At the ......... it's in my knee.

(a) moment
(b) second
(c) occasion
(d) hour

English Grammar Tests, Elementary Level

ESL/EFL Test #55 "Chit Chat: Talking about the Doctor", answer 4

Linda: It's awful really. At the moment it's in my knee.

Correct answer: (a) moment

Your answer was: incorrect
Linda: It's awful really. At the hour it's in my knee.
_________________________

If we use "at the moment" in here, does it mean "right now"?

According to the context, I think Linda wants to say "at the beginning", is it?

[Conchita]

[Seanmen]

ok, Linda said "then there is pain in my back..." in question 6.

Why "then"?

[Conchita]

[Seanmen]

oh, I see.

Thanks.