Choose a word similar to the group: 'happy, joyful, elated'.

C. ECSTATIC

Choose a word similar to the group: 'swift, rapid, quick'.

B. FAST

Choose a word similar to the group: 'diligent, industrious, hardworking'.

C. ASSIDUOUS

Choose a word similar to the group: 'benevolent, charitable, generous'.

B. PHILANTHROPIC

Choose a word similar to the group: 'happy, joyful, elated'.

C. CHEERFUL