The correct answer is D. it uses imperfect coordinating structure.
Parallelism refers to the use of the same word form throughout a particular sentence. So, in the example above, in order to achieve parallelism, we would need to change the word 'vacuuming' into 'to vacuum,' in order to keep the consistency with the other two verbs: 'to dust' and '(to) straighten up.'
Explanation:
I was alone with my sister at home. She was 4 years old and i was 7. She broke the vase and tell mom i did it. And of course mom believed her because i was an evil child.
The answer will be B. The girl loves her family and wants to protect them. Hope it help!
