Answer: shift
Explanation:
Based on the information given, the rhetorical technique used is shift. It should be noted that a rhetorical shift occurs when the tone or the style of a speakers or a writer is being altered. A rhetorical shift is a can be signalled when transition words such as however, then, or but are used.
<span> by using </span>incorporating<span> in </span>his<span>composition the </span>voice<span> of other</span>
Answer: D- the death of a comrade during a gas attack.
Explanation: according to lines 12 to 20 of the poem, the speaker talks about a gas explosion, looking back and seeing a comrade sunk. This he says always reflects in his dreams.