在 It's obvious that...(……是显然的)这种句型中,that 引导的是主语从句,做真正主语,it 做形式主语。如:
It was obvious that Gina was lying. 吉娜显然是在撒谎。
It was immediately obvious that the bag was too heavy. 马上就发觉这个包太重了。
It’s obvious that there’s a very real chemistry between them. 很明显他们俩是真的来电了。
It was obvious that she had done her homework and thoroughly prepared for her interview. 很明显她为面试做足了功课,准备很充分。
From his angry reply it was obvious that I had touched a sensitive spot. 从他回答时怒气冲冲可以看出,很明显我触到了他的痛处。