German A2 Level Question

The correct form for 'ich' (I) in the present tense is 'träume'. 'Träumst' is for 'du' (you singular informal), 'träumt' is for 'er/sie/es' (he/she/it), and 'träumen' is the infinitive form or used with 'wir' (we), 'sie' (they), or 'Sie' (you formal).