What does this expression mean: 'make his engagement known'?

[Maggie]

Hi,guys

I have some questions about this sentence.

Richard wished to make his engagement _______ to all the people at the party.

(A)knowing (B)to know(C)known(D)know

The answer is (C).

My questions are below.

1.Did Richard host the engagment?
2.How to use make,linking verb,correctly? (Maybe it is causative verb. I am not sure. Cause I do always get confused with these two terms.) May I choose the answer 'B'? Why or why not? Could you give me the grammar rule of this term,make? I think maybe I could know how to look them up if I have similar questions.

Greetings!

Many thanks.

Maggie
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[Alan]

Hi,

I don't see how we can know from the sentence whether Richard 'hosted' this engagement.

Make in the sense of creating a situation/enabling something to happen can be followed by two types of infinitive active and passive as in:

I want to make you understand

I want to make it understood.

In the first sentence the meaning is that I want to persuade you/force you to understand

In the second sentence the meaning is that I want to persuade /force people into a situation whereby it is (to be) understood by them).

Alan
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