In which sentence does the verb agree with the subject?
A. In the sink are several dirty dishes.
B. Behind the horse were a white pony.
C. Around the kitchen table was six chairs.
B. and C. should be written like this
Behind the horse was a white pony.
Around the kitchen table were six chairs
Look ! Somebody
milk on the carpet. ✔
<h2>MORE:-</h2>

The above sentence is in present perfect tense.
The present perfect tense is used to talk about events that have just completed.
It has the structure:- have/has + past participle.
