Multi-choice problem: Continue writing the next sentence in this paragraph:

How to show a woman you're attracted to her
Smile at her.
Smiling is one of the body language signals that shows you're open to another person. Also, a smile makes you seem like a happier person, while at the same time increasing your happiness.

Options are:
[a]. It's good to acknowledge when you're happy when someone is smiling at you. If she smiles back, it can send an electric electric current down to the ends of your lips.;
[b]. In turn, that shows the woman you are glad to see her. Smile a big, genuine smile to show that your attracted to a woman.;
[c]. This subconsciously undermines her by subconsciously drawing her in. Smiling is one of the best ways to show an interest in someone.;
[d]. So, smile at her whenever she walks by. For instance, if she starts to notice you, she wants to get close to you and is purposely smiling when she looks at you.;
[b].