Answer and explanation

Correct answer: D. is cleaning

  1. Step 1: "Look!" and "right now" show an action in progress, which needs the present continuous.
  2. Step 2: The present continuous is "is cleaning".
Answer
is cleaning.
Why not the others: cleaned, has cleaned and cleans do not fit here.

Practise more Writing, Syntax and Language Mechanics.

Free questions with an explanation for every one, and full timed Egyptian Scholastic Test (EST) mock tests.