$result = mysql_query("SELECT * FROM `personne` WHERE `Nom` LIKE '".mysql_real_escape_string($nom)."' && `Prenom` LIKE '".mysql_real_escape_string($prenom)."'");

					
<?php 
                                                        $host = "localhost"; 
							$user = "root";
							$pass = "";
							$bdd = "entretien";
							// connexion
							@mysql_connect($host,$user,$pass)
							   or die("Impossible de se connecter");
							@mysql_select_db("$bdd")
							   or die("Impossible de se connecter à la base"); 
							$nom = $_POST['Nom'];
							$prenom = $_POST['Prenom'];
							
							
							$result = mysql_query("SELECT * FROM personne where Nom like '$nom' and Prenom like '$prenom' ");
					$list = mysql_query("SELECT situation FROM personne ");//requete pour listing personnes

					echo '<select name="situation">';//création du select

					while ($data = mysql_fetch_array($result))
					{
						while ($row = mysql_fetch_array($list)) {
							if ($row["situation"] == $data["situation"]) //si la personne trouvée est celle de reponse, alors
								echo '<option value="'.$row["situation"].'" selected>'.$row["situation"].'</option>';//option avec select
							else
								echo '<option value="'.$row["situation"].'">'.$row["situation"].'</option>';//option sans select
						}
					}
					echo '</select>';//fin du select ?>