I believe it is a conditional response due to him having his reaction to the injection being the most prevalent thing in his mind about the doctors.
Lenis was unhappy about the February Revolution as it replaced the Tsar by a civil government, i.e. the Provisional Government. Instead, Lenin as one of the leadres of the Russian socialist movement was for a much more radical change. In addition, Lenin was against the war with Germany, but the Provisional Government did not withdrew from this war.
• services can be bought by consumers , as well as goods
• services can be bought at just about any price with not much difference in quality
• product markets are markets such as services
