A) because it's man (Hans) and woman (Helga), so you can't choose female (alemanas) and two are plural
Answer:
A stem is the part of the verb that comes before the ending (which, in infinitive verbs, is always either ar, er, or ir). In regular conjugations, the stem doesn't change, where in irregular conjugations, it can be completely different. In stem-changing verbs, the change is in the last vowel of the stem.
Explanation:
The correct answer is viajan
Sorry no I hope u find it though