<u>Answer:
</u>
The line from the given excerpt in which Robert Browning has used metaphor in is "The hillside's dew-pearled".
<u>Explanation:
</u>
- A metaphor is a commonly used figure of speech which is used to compare two things that have literally nothing in common.
- In the given excerpt, there are numerous comparisons that elucidate the relation between the various factors of nature and environment included in the poem
- In the mentioned line, the poet has attempted to compare worthless dewdrops to highly valuable pearls.
It would have to be A nine because they were defining a condor that can reach up to nine feet.