UPSC 2017 CDS I English Paper

‘P’ will be the first part of the given sequence as ‘the house was’ forms the subject. ‘S’ will follow next because it states the condition of the house, that is, “gloomy”. RQ will make a pair together because they together suggest the reason of house being gloomy. Hence, PSRQ is the correct sequence. Thus, option (b) is correct.