Can someone please help me with this question?: Choose the progressive perfect form of the verb!

Antonio along the river when someone began to pelt him with oranges.

Choose 1

(Choice A)
A
was walking

(Choice B)
B
had been walking

(Choice C)
C
had walked

Please don't give me a wrong answer. I'm trying so hard to get every one of these right

Which statements best evaluate the evidence in thisexcerpt? select two options.o the authors use a personal story to illustrate theargument that, despite new and ever-changing forms ofsocial media, arab american print and broadcast mediaare stronger than ever.the authors use data about the types and effectivenessof social media to support the argument that socialmedia is driving arab american broadcast media out ofbusiness.the authors use a quotation from an expert to supportthe argument that social media has been both and hazardous for the arab american news mediao the authors use a quotation from an eyewitness tosupport the argument that the arab american newsfree daeros challsave and exitnextsubmit

Read the introduction to the persuasive essay, "should cosmetic surgeries be banned? " what makes this introduction weak?

What are the moral principles that govern a person’s or group’s behavior known as?