Need help with this French question

Aurélie est très sympa, a. est-ce que b. est-elle c. n’est-ce pas d. comment

What conditions must be met before you can use the subjunctive? a) you must have two verbs in the same sentence. b) you must use a wedding verb. c) you must have a wedding verb in the first clause and another verb in the sentence. d) you must have a wedding verb in the first clause and a new subject for the second verb.

Anne mange un sandwich aujourd'hui?