As some of you may have heard", he began deliberately, “the platoon officer has asked me to nominate one of you for..."

As some of you may have heard", he began deliberately, “the platoon officer has asked me to nominate one of you for…" He paused and looked lingeringly up and down the ranks as if seeking final confirmation of the decision.
(a) Who speaks these lines?
(b) What had the platoon officer asked him to do?
© The word ‘paused’ means…

(a) Corporal Turnbull speaks these lines.
(b) The platoon officer had asked him to norhinate one of the soldiers for permanent cookhouse duties.
© stopped temporarily