평가원 기출 문장해석좀 도와주세요

10.9 46번 문제입니다.

As we explore together the virtual world that floats
on the edge of this material life, the many imaginative
territories you inhabit bring back another reality. I catch
images of my own childhood wanderings through
Narnia, the land of hobbits, and Mowgli’s jungle. All
these are deep pleasures which combine all my senses
and momentarily transport me into another dimension of living.
If I were to bring it all together I would say that
among all the misery, fear, injustice, and pain, I hope
you will not forget moments when all this fades away
into periods of innocent joy. It is when we bring all
our powerful senses together, perhaps in a moment in
the garden of earthly delights that we __________ over despair.
So the moment when you dance to Handel or when
you sit in a pool of wild flowers, or gravely take part
in your first tea ceremony, these are the moments you
will treasure. They are, with similar moments with
friends and loved ones, what makes being human
bearable.

빈칸에 들어갈말

① deliberate ② triumph ③ watch ④ argue ⑤ grieve

제가 해석이 애매한 부분이 빈칸포함문장이거든요

delights that 여기서 that 이 delights 를 받아주는 관계대명사인가요?

아니면 it is when 에서 it be that 강조구문인가요?

처음 봤을때는 관계대명사로 해석했는데 나중에 보니 문장구조가 좀 이상하네요.

답이 2번인데 triumph 가 자동사더라구요. 타동사로는 안쓰임.

triumph 가 전치사 over 과 묶여서 despair 을 받은건데 그러면 완성된 문장이라서 delights를 받을게 없거든요.

그럼 it be that 강조구문으로 쓰인건가요?