|Question 17Verbal

Source Texts

Text
An accomplished birder might be able to spot thousands of different species over the course of a career, from Milvus migrans to Gallinula chloropus, but no birder has ever achieved the ultimate        an in-person glimpse of all 10,000-plus species of birds.
Which choice completes the text so that it conforms to the conventions of Standard English?
goal: catching
A
goal; catching
B
goal. Catching
C
goal catching
D