Case-Based Critical Thinking QuestionsCase 9-1Ethan is editing his project paper using Microsoft Word 2013. Please answer the questions below. Ethan notices a sentence that appears twice in a row. He selects one of the sentences by moving the insertion point to the beginning of the text he wants to select and then _____ while dragging the mouse.

A. holds down the right mouse button
B. holds down the left mouse button
C. holds down both mouse buttons
D. holds down no mouse buttons

Answer: B