Which excerpt from the "the letter of concern" best supports the inference that the letter is from an ordinary british citizen?

"would migration to england of these young people be facilitated by their temporary adoption by english families? "

"would you, sir, give permission for a broadcast appeal for co-operation from british families,"

"if i could succeed in eliciting your support in any one of the following schemes i feel that it's [sic] ultimate success would be assured."

"that feeling of concern is my only excuse for taking up the valuable time of one whose onerous duties render inexcusable any intrusion of lesser import."