J'espère que mon ami, Bodo Wendra ... c'est-à-dire: Je _ que Bodo Wendra ...

The sentence J'espère que mon ami, Bodo Wendra... means "I hope that my friend, Bodo Wendra..." The phrase c'est-à-dire ("that is to say") signals that we need a verb whose meaning is closest to espérer (to hope).

Among the options, pense (from penser, to think or believe) is the closest synonym. Both espérer que and penser que express a positive expectation about something. "Je pense que Bodo Wendra..." conveys the same forward-looking, optimistic attitude as "J'espère que Bodo Wendra..."

The other choices do not carry this meaning: constate (from constater) means to observe or note a fact, which is neutral rather than hopeful; regrette (from regretter) means to regret, which expresses the opposite sentiment; and demande (from demander) means to ask or request, which involves soliciting information rather than expressing an expectation.