
To decline, pick "Let's just be friends". To begin or rekindle a Romance with Liara, pick "I'm interested in you".

Here, she'll ask if you're still interested in her, including a situation where you Romanced somebody else in Mass Effect 2. While you meet Liara early into the game during Priority: Mars, a legacy Romance won't be properly addressed until after Priority: The Citadel I and you return to the Normandy, letting you access Liara's room on the Crew Deck.

A Romance with Liara T'Soni is one that almost any Mass Effect 3 player will have the option of picking: she's guaranteed to survive to the third game, she can be interested in a Shepard of any gender, and the Romance can be started here instead of requiring you to do so in a previous game first.
