Arsenal's preparations for the crucial Champions League semifinal tie against PSG have raised questions about the performance of key players like Kiwior and Trossard. The team has faced challenges, with defensive lapses and the need for offensive firepower. Jakub Kiwior has shown promise but also raised concerns in defense. Leandro Trossard has stepped up in attack, but more is needed. Mikel Arteta is strategizing amid injuries and suspensions. The outcome against PSG will be crucial for Arsenal's season.