Consider this sentence :
"I lifted the weight ,humming a tune"
here the verb-ing modifier modifies the entire clause before it .
"Donald duck won the contest , surprising everyone in the nation"
here the verb-ing modifier modifies the entire clause "donald duck won the contest"
Using the above analogy I eliminated option (D) - which turns out to be the right answer choice to this question
A peculiar feature of the embryonic mammalian circulatory system
...
"I lifted the weight ,humming a tune"
here the verb-ing modifier modifies the entire clause before it .
"Donald duck won the contest , surprising everyone in the nation"
here the verb-ing modifier modifies the entire clause "donald duck won the contest"
Using the above analogy I eliminated option (D) - which turns out to be the right answer choice to this question
A peculiar feature of the embryonic mammalian circulatory system
...
