Correct Answer:
Option C - Grammatically correct sentence is option (c) 'It was a hectic day for Susan with a lot of purchases and a couple of meetings.'
Note:- 'A' is the 'indefinite Article', used before the singular countable noun with consonant sound.
⇒ 'A lot of'/lots of' can both be used with plural countable nouns and singular uncountable nouns.
C. Grammatically correct sentence is option (c) 'It was a hectic day for Susan with a lot of purchases and a couple of meetings.'
Note:- 'A' is the 'indefinite Article', used before the singular countable noun with consonant sound.
⇒ 'A lot of'/lots of' can both be used with plural countable nouns and singular uncountable nouns.